Industry Leaders Shape Future of Karmasphere and Hadoop Big Data Analytics

Gail Ennis


Gail Ennis is the Chief Executive Officer of Karmasphere. A 25-year industry veteran, she has deep domain expertise and executive-level leadership in scaling successful high-growth, global technology companies. Her experience reflects a blend of traditional enterprise software with on-demand, Cloud and SaaS approaches to quickly penetrate markets.

Previously, Ennis was the Chief Marketing Officer (CMO) at Omniture, a leading SaaS web analytics and online business optimization company acquired by Adobe for $1.8 billion.

Earlier in her career, Ennis held executive sales, marketing and business development positions at BEA Systems and ORACLE Corporations. She earned a BS in Molecular Biology from Temple University in Philadelphia.

Martin Hall

Chairman, Founder & EVP

Martin Hall is Founder & EVP Corporate Development at Karmasphere. He brings a strong entrepreneurial track record and a history of pioneering new Internet technologies and markets. Prior to founding Karmasphere, Martin was a founder of Aventail, a leading computer security company acquired by SonicWall. Prior to that, he was the founding CEO of Stardust, an Internet technology services company sold to Penton Media. Martin has chaired and participated in a number of industry groups including WinSock, Quality of Service, Internet Multicast and Wireless Multimedia Forums. He holds a Masters of Computer Science from Staffordshire University in Stafford, England.

Ann Winblad

Hummer Winblad Venture Partners

Ann Winblad is the co-founder and a Managing Director of Hummer Winblad Venture Partners. She is a well-known and respected software industry entrepreneur and technology leader. Her background and over 30 years of experience in the software industry have been chronicled in many national business and trade publications.

Ann has served as a Director of numerous start-up and public companies and currently serves as a director of Ace Metrix, MuleSoft, Star Analytics and Voltage Security. Ann is a member of the Board of Trustees of the University of St. Thomas She is an advisor to numerous entrepreneur groups, as well as co-chair of SD Forum

Ann received a BA in Mathematics and in Business Administration from the College of St. Catherine, as well as an MA in Education and International Economics from the University of St. Thomas, St. Paul, Minnesota. Ann also has an honorary Doctorate of Laws from the University of St. Thomas.

David Liddle

US Venture Partners

When David S. Liddle joined US Venture Partners in 2000, he’d already had a long association with the firm. Having served for nearly 10 years on USVP’s Technical Advisory Board, David left his post as President and CEO of business incubator Interval Research Corporation and was persuaded by long-time friends Irwin Federman and Phil Young to “just come in and look at a few deals.”

Prior to co-founding Interval with Paul Allen, David founded Metaphor. Upon its acquisition by IBM in 1991, he was named Vice President of Business Development for IBM Personal Systems. David’s extensive experience in research and development has focused largely on human-computer interactions and includes 10 years at Xerox Palo Alto Research Center (PARC), from 1972 to 1982. He has been a director of Sybase, Broderbund Software, Borland International and Ticketmaster, and is currently on the board of the New York Times Company. His board involvement at USVP includes Axiom Microdevices, Caspian Networks, Gear6, Klocwork, MaxLinear, MaXXan, Optichron, PacketHop and T-RAM.

David earned a B.S. in Electrical Engineering at the University of Michigan and a Ph.D. in EECS at the University of Toledo, where his dissertation focused on reconfigurable computing machines and theories of encryption, encoding and signal recovery. His contributions to human-computer interaction design earned him the distinction of Senior Fellow at the Royal College of Art.

Debby Meredith

Debby brings more than 20 years of experience managing product engineering teams and bringing new technologies to market. Debby has the capacity to take on interim executive roles by working hands-on with company founders, helping to assemble world-class teams, architect software products, and establish a roadmap from the start for operational success. Additionally, given her broad set of operational skills and venture experience, Debby often works with venture capital firms providing great insight into the operational capabilities of potential investment opportunities. Currently she is working with Jafco Ventures as a Venture Partner and previously Debby was a Venture Partner with Mohr, Davidow Ventures (MDV) where she worked with portfolio companies as an interim CEO or VP of Engineering. Earlier in her career, Debby held a variety of technical and general management positions at America Online/Netscape, including Senior Vice President of Strategic Technologies and Products, Vice President of Browser Products and Chief Quality Officer. Prior to Netscape, she was Vice President of Engineering for Collabra Software and Vice President of Development at Slate Corporation. Debby also held key technical positions at Metaphor Computer Systems, Logitech and Bell Laboratories.