Joseph R. Zell joined Grotech as a General Partner in 2002. At Grotech Ventures, Joe focuses on investment opportunities in IT infrastructure, cloud services, mobile, networking, and internet and digital media sectors. Joe currently serves or has served on several portfolio company boards including Aztek Networks (acquired by GenBand) BroadSoft (BSFT - IPO), buySAFE, Closely, Cloud Elements, Collective Intellect (acquired by Oracle), Commercial Tribe, DB Networks, Fieldglass (acquired by SAP), GutCheck, Hatteras Networks (acquired by Overture Networks), HiveLive (acquired by Rightnow Technologies/Oracle), Lagrange Systems, LogRhythm, SkyeTek, SpotRight, Rebit, USinternetworking (acquired by AT&T) and Ziptronix.

Prior to joining Grotech, Joe built an extensive, 20-year operating background in communications and data networking, including nine years with US West Communications (which is now CenturyLink), where he was instrumental in building US West's Data Networking Division from startup to $2.5 billion in revenue and was the president of the division for the last four years. After US West, he served as CEO of Convergent Communications. Earlier in his career he held a variety of management positions at WilTel, LDXNet, United Technologies Communications, MCI Communications and Xerox Corporation.

Joe graduated Magna Cum Laude from Missouri State University with a BS in Marketing. He also serves or has served on the advisory boards of Silicon FlatIrons, TiE Rockies, the Tech Venture Center, and StartupDenver. He is also a member of the Board of Trustees for The Nature Conservancy, Colorado.