John Schaefer

REhnu LLC manufactures and commercializes solar concentrating technology. Its technology uses large glass mirrors to focus sunlight onto photovoltaic cells to produce solar electricity. The company was founded by Roger Angel in 2009 and is headquartered in Tucson, AZ.

Monogram Aerospace Fasteners, Inc. manufactures aircraft bolts and standard screws to the aerospace industry. The company was founded in 1889 and is headquartered in Commerce, CA.

Arch Chemicals, Inc. operates as a global biocides company which provides chemistry-based and related solutions to selectively destroy and control the growth of harmful microbes. It focuses on water treatment, hair and skin care products, wood treatment, preservation and protection applications such as for paints and building products, and health and hygiene applications. The company was founded on August 25, 1998 and is headquartered in Norwalk, CT.

Research Corporation Technologies, Inc. provides investment related services. It operates as technology development company that typically invests in new technology platforms in life sciences, healthcare technology, biomedical, preclinical and clinical-stage therapeutics, devices, drugs, and diagnostics, medical devices, and biotech tools for gene expression and protein production with medical devices. The company was founded in 1987 and is headquartered in Tucson, AZ.