John D. D. Kohler

Redleaf Group Inc (Redleaf Group) is a venture capital firm founded in 1996 by John Kohler. The firm is headquartered in Pittsburgh, Pennsylvania.

Lightningcast, Inc. provides technology that enables broadband audio & video marketing, branding and advertising. It enables owners and distributors of broadband audio and video to maximize their revenue potential by providing content & ad insertion, campaign management and reporting, targeting & auditing, audience measurement & analytics, streaming operations and support, player enhancements and media management. The company was founded in 1999 by Tom Des Jardins and is headquartered in Washington, DC.

GridEdge Networks, Inc. operates as a holding company which develops and sells grid protection and communications systems to electric utilities and independent power producers. Its GridEdge Networks sells Distributed Generation Transfer Trip Protection (DG-TTP) products and services to electric utilities and independent power producers for a variety of distributed generation applications including solar, wind, biogas and energy storage. The company was founded by David Diamond and Philip G. Hunt in June 2001 and is headquartered in Westford, MA.

LumiCyte, Inc. provides biotechnology services and offers biochips and information products to the pharmaceutical and biotechnology companies. The company also designs, manufactures, and distributes STS MALDI chips for mass spectrometry analysis of proteins and peptides. Its products are used for the identification and analysis of markers involved in disease processes. The company was founded by T. William Hutchens in 2003 and is headquartered in Fremont, CA

LucidMedia Networks, Inc. provided advertising infrastructure and knowledge management software solutions. The company was founded in 1999 and was headquartered in Reston, VA.

Convergent Technologies, Inc. provides telecommunications services. It also provides Information Technology (IT) and communications services and hardware, including computers, desk phones, mobile devices, servers, networks, wireless surveillance and fiber. The company is headquartered in Winston Salem, NC.

Silicon Graphics, Inc., is a leader in high-performance computing, visualization and storage. SGI's vision is to provide technology that enables the most significant scientific and creative breakthroughs of the 21st century. Whether it's sharing images to aid in brain surgery, finding oil more efficiently, studying global climate, providing technologies for homeland security and defense or enabling the transition from analog to digital broadcasting, SGI is dedicated to addressing the next class of challenges for scientific, engineering and creative users