Vincent A. Sarni
Direktor/Vorstandsmitglied bei Carnegie Mellon University
Aktive Beziehungen
Name | Geschlecht | Alter | Unternehmensverbindungen | Zusammenarbeit |
---|---|---|---|---|
Timothy Knavish | M | 58 | 37 Jahre | |
Vincent Morales | M | 58 | 39 Jahre | |
James E. Beck | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Jonathan Rothberg | M | 60 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Thomas Healy | M | 31 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 7 Jahre |
J. McQuade | M | 68 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Virginia Breen | F | 60 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Mark Kamlet | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Mark E. Coticchia | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Cheryl M Hays | F | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Rick Tolin | M | - |
Lubrizol Advanced Materials, Inc.
Lubrizol Advanced Materials, Inc. Chemicals: SpecialtyProcess Industries Lubrizol Advanced Materials, Inc. produces & markets specialty chemicals. It produces coatings, emulsions, adhesives, thickeners and food and beverage ingredients. The company sells its products under the brand names Avalure, Cure-rite, Good-rite, Hycar, Pemulen and Corzan. The company was founded in 1928 and is headquartered in Cleveland, OH | - |
Sarah Opperman | F | 64 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Charles A. Kennedy | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
D. Taylor | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Claire W. Gargalli | F | 81 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
James E. Rohr | M | 75 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Norman M. Sadeh-Koniecpol | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Ajit Shetty | M | 77 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 11 Jahre |
Scott Mory | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Samuel Leinhardt | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Dick Martin | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Krzysztof Matyjaszewski | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Angela Blanton | F | 53 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 8 Jahre |
Douglas B. Lenat | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Manoj P. Singh | M | 72 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 17 Jahre |
Alba Tull | F | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Ganesh Mani | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Mary Dively | M | 65 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 22 Jahre |
Joseph S. Calhoun | M | 68 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Jimmy Williams | M | 63 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Donald Stitzenberg | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Danith Ly | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Sunil Tekchand Wadhwani | M | 71 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Lip-Bu Tan | M | 64 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 13 Jahre |
Garth Gibson | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Don H. Jones | M | 87 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
John Bertucci | M | 83 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 22 Jahre |
Yoshiaki Fujimori | M | 71 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Bruce McWilliams | M | 67 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 16 Jahre |
J. Miles Reidy | M | 61 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Tod S. Johnson | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Konrad Weis | M | 95 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 20 Jahre |
Jeanne Cunicelli | F | 57 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Rich Lunak | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
William A. Seibel | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Ian G. Rawson | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Farnam Jahanian | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Candace Matthews | F | 65 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Michael Loren Mauldin | M | 65 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Edward Frank | M | 67 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 24 Jahre |
Raul Valdes-Perez | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 33 Jahre |
Sandy Carter | F | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 8 Jahre |
Alain T. Rappaport | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Adam Blum | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
James F. Antaki | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Destenie Nock | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Beziehungs-Chart
Beziehungen zu mehreren Unternehmen
Ehemalige Beziehungen
Name | Geschlecht | Alter | Unternehmensverbindungen | Zusammenarbeit |
---|---|---|---|---|
Michael McGarry | M | 66 | 42 Jahre | |
Raymond W. LeBoeuf | M | 76 | 17 Jahre | |
Charles Bunch | M | 74 | 37 Jahre | |
Robert Mehrabian | M | 82 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 24 Jahre |
Jared Cohon | M | 76 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 16 Jahre |
Mahesh Saptharishi | M | 46 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 9 Jahre |
Glenn E. Bost | M | 72 | 34 Jahre | |
Dave Ng | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 3 Jahre |
Amir Rahnamay-Azar | M | 53 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Jong Sang Choi | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Eugene Marinelli | M | 47 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Antonio Marcus da Silva | M | 52 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Yung King Ma | M | 35 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Alex Chao | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 6 Jahre |
Edward Hu | M | 61 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Eric Kwan | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Ning Hao Sha | F | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
John Gu | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Kyle Oppenheim | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Kate Xiong | F | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
CORY HAMILTON | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Sreekar Gadde | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Ricky Tejpaibul | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Mustafa Khan | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Jason K. Altman | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Thomas McElroy | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Juan Benitez | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Damian Michael McIntyre | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 9 Jahre |
Raymond Lane | M | 77 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 6 Jahre |
Michael Tucker | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 8 Jahre |
Elise Lee | F | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 9 Jahre |
Joe Woods | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Manu Kumar | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 7 Jahre |
Christopher Moehle | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Jonathan Berkowitz | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Gautam Garg | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Steve Hoover | M | 63 |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 8 Jahre |
Brad Burke | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 3 Jahre |
Arthur Francis Hyder | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 7 Jahre |
Aaron Kao | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Jay Calhoun | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Matthew Rogers | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Nik Bonaddio | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Khaled Abdulaziz Alghoneim | M | - |
Carnegie Mellon University
Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Statistik
Land | Beziehungen | % des Gesamten |
---|---|---|
Vereinigte Staaten | 100 | 100,00% |
Alter der Beziehungen
Aktive
Vergangene
Herr
Frau
Aufsichtsräte
Führungskräfte
Ursprung der Beziehungen
- Börse
- Insiders
- Vincent A. Sarni
- Persönliches Netzwerk