Board of Directors

Andy Grolnick


Andy Grolnick joined LogRhythm as President & CEO in 2005 and has helped LogRhythm become one of the leaders in Security Information and Event Management. He brings over 25 years of experience growing high tech businesses, with executive leadership roles in Marketing, Product Development, Sales and General Management. His accomplishments include growing the Zip division of Iomega into a $1 billion entity in less than two years as its General Manager. Prior to LogRhythm, Andy was VP of Marketing and Sales at OpenLogic, where he was a member of the founding management team. He has also held leadership roles at Quantum, Rivio and HP. Andy has a degree in Computer Science from Duke University and an MBA from the University of North Carolina.

Robert Lentz

Robert F. Lentz is the former Deputy Assistant Secretary of Defense for Cyber, Identity and Information Assurance (CIIA) in the Office of the Assistant Secretary of Defense, Networks and Information Integration/Chief Information Officer. Since November 2000, he served as the Chief Information Security Officer (CISO) for the Department of Defense (DoD) and in this capacity, oversaw the departments 3 Billion dollar Information Assurance & Cyber Security programs. He transformed the programs, to include establishing the first comprehensive IA/Cyber Architecture, supple chain risk management strategy and operationalizing the world's most robust Identity Management System, and played a key role in leading the United States National Cyber Initiative, and the follow on cyberspace review. Robert started his career with the National Security Agency (NSA) in 1975. Since that time, he accumulated over 34 years of experience and established himself as a change agent with federal government

Mike Majors

Mike Majors is an Investment Partner at Siemens Venture Capital, based in Boston, MA. He focuses on investments in the industrial space, including industrial automation, drive technologies, industrial software, transportation, and industrial cyber security. Before joining Siemens Venture Capital, Mike was the CFO at Indeed.com and a Venture Partner at StarVest Partners, a New York City based venture capital firm focusing on SaaS investments. Prior to that, Mike was the CFO at Visible World, Time Warner, and WPP. While a Vice President at BEV Capital, Mike led investments in and worked with companies including Retail Solutions, MaxPreps, and ProfitLogic. Mike received a PhD in control systems from Cambridge University and a BSE in mechanical and aerospace engineering from Princeton University.

Frank Mendicino

Frank Mendicino III co-founded Access Venture Partners in 1999. Access is a seed and early stage, high technology venture capital fund. Frank has been a venture capitalist for 18 years successfully investing in, and helping to grow exciting businesses. Prior to co-founding Access Venture Partners, Frank worked for Woodside Fund, a Silicon Valley venture fund, for 10 years where he helped build and exit a successful portfolio of 29 early stage companies. Frank received his B.A. degree in Political Science from The University of California at Berkeley.

Chris Petersen

Chris Petersen is CTO and Co-founder of LogRhythm. His extensive industry experience in information assurance and network security drives LogRhythm's delivery of the most comprehensive SIEM solution available today. Chris's developed the Price Waterhouse Enterprise Security Architecture System as a Senior Consultant with the company (now PriceWaterhouseCoopers) and lead an engineering group at Ernst & Young that produced one of the first managed security services as well as the leading information assurance portal eSecurityOnline. He was a significant contributor at Enterasys to push the Dragon Intrusion Detection System into a market-leading position. Chris has served on the faculty of the Institute for Applied Network Security, has numerous speaking engagements at information security conferences and events, and is frequently quoted in industry leading publications. He holds a degree in Accounting/Information Systems from Colorado State University.

Rob Schmiedeler

Rob Schmiedeler has been a partner with High Country Venture since 2007. From 2004-2006, Rob served as chief financial officer of ICG Communications, playing an instrumental role in the acquisition, restructuring and successful disposition of the Denver-based telecommunications provider. Prior to ICG, Rob was chief financial officer of ServiceMagic, Inc., the nation's leading online contractor referral service based in Golden, Colorado. Before joining ServiceMagic, Rob was a partner and co-head of Investments at Tango, a private investment company in Boulder, Colorado. Previously, he spent 11 years with Merrill Lynch & Co. in Chicago, in positions including director of Investment Banking. Rob received his MBA from the J.L. Kellogg Graduate School of Management at Northwestern University and his B.S. in Finance from Bradley University in 1988.

Dave Welsh

Dave Welsh is a Partner at Adams Street Partners and is responsible for sourcing and executing private equity investments in the enterprise software, infrastructure and mobile software, consumer technology and business services sectors. Dave is involved in the firm's investments in APT, AVG,Rimini Street, Spiceworks and YouSendIt. Dave's past investments include: CEON, Excellergy (Acquired by Brinvest), IP Unity, Jungo Software (Acquired by NDS), Microfabrica, Msnap, MxLogic (acquired by McAfee), Netsize, Qpass (Acquired by AMDOCS), Solomio (Acquired by Openwave), Sportgenic (acquired by Glam Media) and Vividence (Acquired by Keynote). Dave holds a JD from UC Berkeley and Harvard Law Schools and a Bachelor of Science degree from UCLA.

Dick Williams


Dick Williams is currently President & CEO of Webroot and brings over four decades of executive and operational leadership experience for technology, software and digital media companies to LogRhythm's Board.  Dick has worked as CEO or Chairman of several category-defining companies funded by some of the most successful venture capital firms in the world, including Altor Networks (acquired by Juniper Networks), Hyperic (acquired by SprintSource Global), Wily Technology (acquired by Computer Associates) and Illustra Information Technologies (acquired by Informix).  He also co-founded and served as chairman of Quokka Sports, an online immersive sports media company. Williams' executive leadership experience began at IBM, where he spent 22 years in a variety of sales, marketing, product and business management roles.   Following IBM, he served as President & CEO of Digital Research, which he turned around and sold to Novell.   Williams currently is also an outside director of 3VR and Cloudera.

Joe Zell

Joe Zell is a General Partner at Grotech Ventures and focuses on investment opportunities in communications and IT infrastructure, cloud services, mobile, networking, and internet and digital media sectors. Prior to joining Grotech, Joe built an extensive, 20-year operating background in communications and data networking, including nine years with US West Communications, 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 four years. Joe graduated Magna Cum Laude from Missouri State University with a Bachelor of Science degree in Marketing.