Fred Thiel

Chief Executive Officer, Chairman of the Board of Directors

Prior to serving as MARA’s chief executive officer, Thiel co-founded and served as chairman of Sprocket, a blockchain and cryptocurrency technology and financial services company whose mission is to reduce the risk and friction of cryptocurrency trading across marketplaces, regions and exchanges by establishing a federation of exchanges that together create a single aggregated global trading marketplace with large scale liquidity, rapid execution, minimal counter-party risk, and price transparency. Prior to that, Thiel served as chairman and chief executive officer of Local Corporation, an $80 million Nasdaq-listed leader in online local search and digital media, mobile search monetization and programmatic retargeting markets with over 240 million unique annual visitors.

During his career while holding the title of CEO across multiple companies, Thiel successfully created in excess of $750 million in shareholder value, efficiently raised more than $150 million through both public (IPO and secondary offerings) and private capital sources, led multiple successful corporate transformations resulting in highly accretive exits, built high output agile product development organizations, and established corporate innovation groups resulting in the creation of new product businesses that generated significant new revenues in their first year.

Georges Antoun


Georges Antoun brings to MARA over 30 years of operational and technical experience, having served in various leadership positions at several global technology companies, including as a member of the board of directors of two publicly traded companies: Ruckus Wireless, Inc. and Violin Memory, Inc. He currently serves as the president of First Solar where he was chief operating officer before being appointed to president, U.S. in July 2015. Prior to joining First Solar, Mr. Antoun served as a venture partner at Technology Crossover Ventures (“TCV”), a private equity and venture firm, which he joined in July 2011. Before joining TCV, he was the head of product area IP & broadband networks for Ericsson. Mr. Antoun joined Ericsson in 2007, when Ericsson acquired Redback Networks, a telecommunications equipment company, where Mr. Antoun served as the senior vice president of worldwide sales & operations. After the acquisition, Mr. Antoun was promoted to chief executive officer of the Redback Networks subsidiary. Prior to Redback Networks, Mr. Antoun spent five years at Cisco Systems, where he served as vice president of worldwide systems engineering and field marketing, vice president of worldwide optical operations, and vice president of carrier sales. Prior to Cisco, he was the director of systems engineering at Newbridge Networks, a data and voice networking company. Mr. Antoun started his career as a member of the technical staff at NYNEX (now Verizon Communications), where he was part of the company’s science and technology division. Mr. Antoun earned a Bachelor of Science degree in engineering from the University of Louisiana at Lafayette and a master’s in information systems engineering from NYU Poly.

Kevin A. DeNuccio


Mr. DeNuccio is the Founder and General Partner of Wild West Capital LLC since 2012 where he focused on angel investments, primarily in SAAS software start-ups.

He brings to MARA more than 25 years of experience as a chief executive, global sales leader, public and private board member, and more than a dozen angel investments, managing and growing leading technology businesses. He served in senior executive positions with Verizon, Cisco Systems, Ericsson, Redback Networks, Wang Laboratories and Unisys Corporation.

He recently served as Executive Chairman and major investor of SevOne, a Bain Capital company, since 2017, until its sale to Turbonomics in November 2019. Prior to that, he was Director, Chief Executive Officer and President at NYSE listed Violin Memory from 2014 to 2017, restructured the company and sold it to the largest bondholder the Soros Group, in April 2017.

Prior to that, Mr. DeNuccio served as Director and Chief Executive Officer of Metaswitch Networks from 2010 to 2012, a Sequoia Capital company, where he migrated the company headquarters from London to San Francisco and re-developed its product offerings to SAAS for growth in a Software Defined World of Networking. Metaswitch was sold to Microsoft in 2020 for its SAAS offerings.

He also served as the Director, President and Chief Executive Officer at Nasdaq listed Redback Networks from 2001 to 2006, where he led the company successfully through a major restructuring, renewed growth, and ultimately a $2.1B sale. Sold to L.M. Ericsson in 2006, the transaction represented one of the highest sales multiples of its time, and a 100% stock premium.

Earlier in his career, he served as Senior Vice President of Worldwide Service Provider Operations, Worldwide Channels, and Worldwide Sales Operations with Cisco Systems Inc., from August 1995 to August 2001. At Cisco, he was one of the first 10 VP’s and one of the first promoted to Senior Vice President. At Cisco he hired over 3000 people, managed over 5000 people worldwide, and led the Service Provider Division revenue growth from $500 Million to nearly $8 Billion in annual revenue in a 4-year run.

Mr. DeNuccio has served on the Public Board of Juniper Networks since February 2014, and Calix since October 2012. He is an Angel Investor and Board Member of Zededa and an Angel Investor in Theatro, Deeyook, Byogy and Q-Sensei. He also previously served as a public Director of SanDisk Corp. and a Director of JDS Uniphase Corp.

He holds a BSBA with Honors in Finance from Northeastern University and served on its Board from 2012 to 2018. He also holds his MBA with Honors from Columbia University.

Jay Leupp


Jay Leupp is the managing partner of Terra Firma Asset Management, LLC. Prior to co-founding Terra Firma, Mr. Leupp served as a managing director in various roles at Lazard Asset Management, Grubb & Ellis Alesco Global Advisors, RBC Capital Markets and Robertson Stephens & Co. During his career, he has also held positions at The Staubach Company, Trammell Crow Company, and KPMG Peat Marwick. Mr. Leupp is also a member of the American Institute of Certified Public Accountants (AICPA) and serves on the boards of both non-profit and corporate organizations. Mr. Leupp earned a Bachelor of Science in business administration from Santa Clara University, and an MBA from Harvard Business School.

Said Ouissal


Said Ouissal brings to MARA extensive experience in senior leadership positions across IP networking (routing, switching, and security), telecommunications, cloud, and mobile broadband. Currently, he is the CEO and founder of ZEDEDA. Prior to ZEDEDA, he held executive product management and (technical) sales roles at various infrastructure companies, including Ericsson, Juniper Networks, Redback Networks, and Violin Memory. Throughout his career, he has also served in engineering and development roles at Lucent, Versatel, and Conxion. Ouissal holds a bachelor’s degree in computer science, is the author of two patents, and speaks five languages.

Vicki Mealer-Burke


Vicki Mealer-Burke brings a wealth of experience to MARA from her 26 years in executive leadership at Qualcomm Incorporated, where she held roles that range from global business development, product management, operations, and human resources. Throughout her career at Qualcomm, Mealer-Burke contributed to Qualcomm's growth, which grew from $2 billion in revenues and 6,000 employees to over $36 billion and 50,000 employees. Her tenure as Qualcomm's first Chief Diversity Officer highlights her dedication and skill in cultivating inclusive and purpose-driven cultures. She has also served as a member of the board of directors of the Make-A-Wish Foundation of San Diego and LEAD San Diego.

Doug Mellinger


Doug Mellinger is an active entrepreneur, philanthropist, impact investor, and board member, with extensive experience building and leading public and private companies in the technology and financial industries. Mellinger is a managing director at Clarion Capital Partners, a lower middle market private equity and structured credit asset management company. He currently serves on the board of directors of Foundation Source, a leading provider of outsourced services and technology for private foundations which he co-founded in 2000; the board of directors of Campden Wealth and IPI (Institute for Private Investors), the largest global membership organization for wealthy families and their family offices; and the board of directors of International Education Corporation (IEC), one of the nation’s largest career education colleges. Prior to Clarion Capital Partners, Mellinger was a partner at Palm Ventures and a managing partner at Zeno Ventures. He founded and served as the chairman and CEO of enherent Corp, a global software development and services company that was listed as an Inc. 500 company twice and was featured on Deloitte & Touche’s Technology Fast 500 and Fast 50 lists. Throughout his career, Mellinger has served on the boards of numerous companies and organizations, including Edgar Online, Sequest Technologies, Producteev, Schiller International, Young Entrepreneur’s Organization (YEO), and Young President’s Organization (YPO), among others. He has also served on several advisory boards and boards to government agencies, universities, and non-profit organizations over the past 40 years. Mellinger holds a degree in entrepreneurial science from Syracuse University.