Mark Schelbert

Shackleton Equity Partners LLC (Shackleton Equity) is a private equity firm founded in 2009. The firm is headquartered in El Segundo, California.

Safeharbor Knowledge Solutions provides customer interaction and business intelligence services. Its services include knowledge base software, community forum software, smartTest article optimizer and knowledge management services. The company is headquartered in Satsop, WA.

Donovan Capital Group LLC (Donovan Capital Group) is a private equity firm founded in 2019. The firm is headquartered in McLean, Virginia.

Gracelock Industries LLC engages in the direct marketing and e-commerce business. Its products are sold under various brand names through online and offline sales channels. The firm also provides label services to resellers. The company was founded in 1955 and is headquartered in Phoenix, AZ.

CyberGlove Systems LLC provides data glove technology and 3D motion capture solutions. Its products include CyberGlove III, CyberGlove II, CyberTouch II, CyberTouch, CyberGrasp, CyberForce, and Haptic Workstation and software. The firm's services include system installation, system integration, custom software, and custom hardware. The company was founded in 1990 and is headquartered in San Jose, CA.