Rusty Cumpston

CloudShield Technologies, Inc. developed cyber security solutions. The company was founded in 2000 and headquartered in Sunnyvale, CA.

XenSource, Inc. provides software solutions. It develops, markets, and sells enterprise grade virtualization solutions based on open source xen hypervisor. The company was founded in December 2004 and is headquartered in Palo Alto, CA

Xeralux is a private company based in San Jose, California, consisting of experienced, successful executives and professionals from large and small companies in lighting, networking and softwareXeralux designs, manufactures and markets smart, sustainable outdoor area and high bay lighting systems for commercial and institutional campuses. Xeralux UMLE and XLE upgrade kits are LED light engines that replace the bulb, socket, ballast and reflector in virtually any 50W-400W high intensity discharge (HID) light fixture, converting it into an energy efficient, long lasting, zero maintenance, mercury-free luminaire. Xeralux upgrades reduce energy consumption and greenhouse gasses by 60-80%, eliminate annual bulb and ballast replacement costs, improve lighting quality and safety, and completely eliminate the toxic mercury found in traditional HID, inductive, and fluorescent light sources.. Xeralux solutions are sold through lighting reps, distributors, and electrical contractors throughout North America and Hawaii. Their customers include FORTUNE 500 businesses, commercial and industrial property owners, municipal and county agencies, universities, hospitals, school districts, and transportation authorities.

ONI Systems Corp. developed optical networking telecommunications equipment and software. It offered online products that are used in conventional ring network topologies. The company was headquartered in San Jose, CA.

Sensity Systems, Inc. provides energy-saving lighting systems and software tools. It offers lighting management, parking, location analytics and security. The firm serves airports, cities, office properties, and retail malls. The company was founded by Rusty Cumpston and Rao Arimilli in 2010 and is headquartered in Sunnyvale, CA.

Nstream provides edge computing, machine learning and digital twins? services. The company was founded by Rusty Cumpston and Chris Sachs in 2015 and is headquartered in San Jose, CA.

RKVST, Inc. is a company that provides provenance-as-a-service to organizations. The company is based in Santa Clara, CA. The company enables businesses to prove and verify the authenticity and provenance of any data they use in their operations. The company's service removes the frustration, time-wasting, and uncertainty of manual data verification. RKVST's service is underpinned by blockchain technology and seamlessly integrates with existing software and secure data storage systems via an open API. The company was founded in 2018 by Jonathan Andrew Geater, Robert Brown, and Krishna Anne. The CEO is Rusty Cumpston.