John Hollenbach

Protochips, Inc. engages in the development of analytical tools used for the research and development of nano-scale materials. It specializes in electron microscopy thin film products which are used for drug discovery and structural biology research. The company was founded by John Damiano Jr., Stephen E. Mick, and David P. Nackashi in 2002 and is headquartered in Morrisville, NC.

Blue Diamond Capital LLC (Blue Diamond Capital) is a private equity firm founded by John Hollenbach in 2013. The firm is headquartered in Raleigh, North Carolina.

Doe & Ingalls of North Carolina Operating LLC distributes chemicals and related products. It offers acids and bases (pH buffers), amino acids and derivatives, biological buffers, bioreagents, carbohydrates, chromatography, clean in place products, inogranic salts, media and supplements, molecular biology reagents, pegs, custom and water solutions, solvents and alcohols, stabilizing compounds, stains and dyes, sterility assurance products, and vitamins and fatty acids for life science manufacturers. The company was founded by John Elmo and Tom Merrick in 1986 and is headquartered in Durham, NC.