Alvaro F. Guillem

Bone Care International, Inc. developed innovative therapeutic products. Its products included Hectorol Injections and Capsules. The company was located in Middleton, WI.

Medeva Bv provides medical services.

ZS Pharma, Inc. engages in the development of development and commercialization of non-absorbed drugs to treat renal, cardiovascular, liver and metabolic diseases. It develops treatment of hyperkalemia. It also focuses on clinical development, novel technology, and clinical trials. The company was founded by Alvaro F. Guillem and Donald Jeffrey Keyser on February 5, 2008 and is headquartered in San Mateo, CA.

Wyeth LLC develops, manufactures, and distributes pharmaceuticals and biological substances. The company was founded in 1926 and is headquartered in Madison, NJ.

Boehringer Ingelheim Pharmaceuticals, Inc. manufactures pharmaceuticals products. It develops and markets drugs for the treatment of respiratory, cancer, cardiovascular, immunological and central nervous system diseases. The company was founded in 1971 and is headquartered in Ridgefield, CT.

Ash Access Technology, Inc. develops catheters, antimicrobials, vascular access devices and other catheter-related products and services. Its products include zuragen Injection, zuraprep, centros and pipeline. The firm engages in the development and commercialization of proprietary technologies and devices to treat and prevent the clinical consequences of diseases and disorders related to vascular access. The company was founded by Robert B. Truitt and Stephen R. Ash in 1983 and is headquartered in Lafayette, IN.

OncoNano Medicine, Inc. operates as a biotechnology company. It develops pH-activated compounds that digitalize and exploit the variability of pH in disease. The company was founded by Ravi Srinivasan, Jinming Gao, and Baran Sumer in 2014 and is headquartered in Southlake, TX.

Renibus Therapeutics, Inc. engages in manufacture of pharmaceutical products. The company was founded by Donald Jeffrey Keyser and Alvaro F. Guillem in 2015 and is headquartered in Southlake, TX.