Tim Chang joined Gabriel Venture Partners in 2001. Fluent in Mandarin Chinese, Japanese and English, Chang’s background combines operational, technical and international business experience across Asia. As a Partner with Gabriel, he leads the firm's wireless sector, focuses on emerging opportunities in digital media and frequently travels to Asia-Pacific to pursue business development initiatives. Chang serves on the boards of Kajeet, Sequoia Communications and the Wireless Communication Alliance. He holds an MBA from the Stanford Graduate School of Business and master’s and bachelor’s degrees in electrical engineering from the University of Michigan.

Martin Hahn joined TestQuest in 1999 as President and CEO after spending 12 years managing high technology companies.

Before joining TestQuest, Hahn worked for three years as Vice President and General Manager, Enterprise Application Integration Division for Computer Network Technology. Additionally, he held several positions at Apertus Technologies, Inc., including General Manager Internetworking Group, Vice President of Marketing and Director of Marketing. He received a BS in economics from the University of Minnesota and an MBA in finance and international finance from the University of Chicago, Graduate School of Business.

Promod Haque joined Norwest Venture Partners in 1990, and has been involved in the formation of early- and late-stage investments in more than 30 companies in the enterprise software, Internet software and communications sectors. He serves on the boards of several public and early-stage information technology companies. Haque has more than 18 years of operating experience in sales, product development, marketing and management at Siemens, Thorn-EMI and Emergent Corporation. He was CEO at Dimensional Medicine before joining Norwest Venture Partners. Haque holds a PhD in electrical engineering and an MBA from Northwestern University.