Back to top

Board of Directors

288x432 Lawrence e Mock Jr

Lawrence E. Mock, Jr.

Chairman of the Board

Lawrence E. Mock, Jr., is currently Managing Partner of Navigation Capital Partners, Inc., an Atlanta-based private equity firm which he founded in partnership with Goldman Sachs in 2006. From 1995 to 2006, Mr. Mock served as President and Chief Executive Officer of Mellon Ventures, Inc., which he founded in partnership with Mellon Financial Corporation, to make private equity and venture capital investments in operating companies. From 1983 to 1995, he was founder and Chief Executive Officer of River Capital, Inc. Mr. Mock holds a Master of Science degree from Florida State University and a Bachelor of Arts degree from Harvard College.

288x432 Darrell Mays_CEO

Darrell J. Mays

Executive Vice Chairman

Darrell Mays is co-founder and former CEO of AVCtechnologies. Additionally, Mr. Mays was the Founder and Chief Executive Officer of nsoro, a turnkey wireless installation services provider, from 2003 to 2008, which was acquired by MasTec in August 2008. Mr. Mays has served as an executive of MasTec since 2008, during which period the revenues and EBITDA of MasTec’s communications division, of which nsoro is a component, increased to approximately $2.3 billion and $245.0 million in 2016, respectively.

In 2005, Mr. Mays founded the nsoro Foundation which provides access to postsecondary education for youth who age out of the foster care system. Mr. Mays holds a Bachelor of Arts degree in Business from Georgia State University.

288x432 headshots_Dennis Lockhart

Dennis Lockhart

Director

Dennis Lockhart recently retired from his position as president and Chief Executive Officer of the Federal Reserve Bank of Atlanta, a position he held from 2007 to 2017. Earlier, he was a professor at Georgetown University, School of Foreign Service, from 2003 to 2007. Prior to this, he held senior positions at Heller Financial Inc. and Citicorp (now Citigroup). Mr. Lockhart holds a Master of Arts from Johns Hopkins University and a Bachelor of Arts from Stanford University.

288x432 headshots_Karl Krapek

Karl Krapek

Director

Karl Krapek has served as the Lead Director at Prudential Financial, Inc. since 2014, and a Director since 2004, and Director of Northrop Grumman Corporation since 2008. From 2002 to 2009, he was the President and Chief Operations Officer of United Technologies Corporation, or UTC, which has a market capitalization of approximately $90 billion. Mr. Krapek has served as an Executive Vice President of UTC since 1997 and as a Director of UTC from 1997 to 2007. Mr. Krapek holds a Master of Science from Purdue University and Bachelor of Science from Kettering University.

Kent Mathy

Kent Mathy

Director

Kent Mathy most recently served as President & CEO of Sequential Technology International, a business process outsourcer serving larger enterprises. Prior to that, he spent twelve years at AT&T, retiring in 2016 as President of the Southeast Region, and previously served as the President of the North Central Region and Executive Vice President leading the Enterprise Solutions Group before that. Before AT&T, Mr. Mathy served as the President of the Business Markets Group at Cingular Wireless, and before that as the Chairman and CEO of Celox Networks, a telecommunications network equipment company.

Mr. Mathy currently serves on the board of directors for Everbridge Inc. and JourneyCare Hospice, and has previously served on the board of directors for Ribbon Communications and Rogers Wireless.

288x432 headshots_Klaas Baks

Dr. Klaas Baks

Director

Dr. Klaas Baks is the Co-Founder and Executive Director of the Emory Center for Alternative Investments, which was formed in 2008. He also serves as the Atlanta Chair of TIGER 21, which is a peer-to-peer network of high net worth wealth creators, since 2014. In addition, he has been an Associate Professor in the Practice of Finance at Emory University’s Goizueta Business School since 2002. Dr. Baks has a Doctoral degree from the Wharton School at the University of Pennsylvania and a Master of Arts degree from Brown University.

Mark Downs

Mark Downs

Director

Mark Downs is the founder of Navigation Capital Partners, a private equity firm where he has served as a partner since January 2007. Mr. Downs has in excess of 20 years of experience serving on for profit boards of directors as a control investor. Mr. Downs has served as a director of Computex, Inc. from January 2017 to April 2020; a director of Stratos Management Systems, Inc. from January 2017 to April 2020; a director of Stratos Management Systems Holdings, LLC January 2017 to April 2020; a director of Michon, Inc. (d/b/a Definition6) from July 2015 to the present; a director of Brown Integrated Logistics, Inc. from January 2017 to the present; a director of Brightwell Payments, Inc. from May 2015 to Present; and a director of Five Star Food Service, Inc. from October 2016 to March 2019. Mr. Downs holds a Bachelor’s degree in Economics from the University of Pittsburgh and a Master of Management degree from Northwestern University.

288x432 headshots_Suzanne Shank

Suzanne Shank

Director

Suzanne Shank has served as Chairman, Chief Executive Officer and majority owner of Siebert Cisneros Shank & Co., a full-service investment bank that has managed or co-managed over $2 trillion in transactions, since 1996. Mrs. Shank holds a Master of Business Administration from the Wharton School at the University of Pennsylvania and a Bachelor of Science from the Georgia Institute of Technology.

346x432 Bertram Ellis

U. Bertram Ellis, Jr.

Director

U. Bertram Ellis, Jr. has served as the Chairman and Chief Executive Officer of Ellis Capital, a diversified investment firm, since 1984. In addition, Mr. Ellis was the Founder and Chief Executive Officer of ACT III Broadcasting from 1986 to 1991, which sold for $530 million and Ellis Communication from 1993 to 1996, which sold for $840 million. Mr. Ellis holds a Master of Business Administration from the University of Virginia Darden Business School and a Bachelor of Arts from the University of Virginia.

XavierWilliams-Long

Xavier Williams

Director, CEO

Xavier Williams is a veteran in the telecommunications and technology industries and brings a wealth of expertise to the CEO role. Before joining AVCtechnologies Xavier served in several leadership capacities over the past 30 years at AT&T (NYSE: T) across multiple disciplines, including finance, strategy, sales, product management, global operations, and human resources. Xavier is commissioned to drive sustainable, industry-leading growth that benefits employees, shareholders, and the communities in which AVCtechnologies operates.

Mr. Williams has received several awards, including an Honorary Doctorate from the Edinboro University of Pennsylvania, the AT&T Chairman’s Diversity Award, the Eagle Award for outstanding leadership from the National Eagle Leadership Institute, and the USA Freedom Corps’ Award for Dedication to Volunteer Services.  Xavier received recognition as one of the Top 100 Most Influential Blacks in Corporate America by Savoy magazine, one of the Most Powerful Executives in Corporate America by Black Enterprise magazine, one of the Top 100 Under 50 Executive Leaders by Diversity MBA magazine, and one of the Wash100 leaders in government contracting by Executive Mosaic (an international leadership organization).