Andy Stewart has more than 25 years of experience in the digital infrastructure industry, most recently serving as the CEO of Evoque Data Center Solutions, where he successfully implemented a strategy to optimize its portfolio of data centers and shift sales efforts to hyperscale edge and large enterprise deployments. Prior to his time at Evoque Data Center Solutions, Mr. Stewart served as CFO of TierPoint, leading the company through a series of eleven acquisitions and over $2 billion of equity and debt financing transactions. He later served as Chief Strategy Officer of TierPoint, with responsibilities encompassing service delivery, product development, and corporate strategy.
Prior to TierPoint, he served in various senior leadership roles at Cequel III, where he held roles in finance, corporate development, and operations across several communications infrastructure businesses, including Suddenlink (cable), AAT (towers), and Broadwing (fiber).
Mr. Stewart started his career in New York at JP Morgan and later worked for American Express and Charter Communications. He currently serves on the Board of Directors of Flexential and as a Senior Advisor at Morgan Stanley Infrastructure Partners. He earned a BA from Denison University and holds an MBA from the Olin School of Business at Washington University in St. Louis.
Prior to TierPoint, he served in various senior leadership roles at Cequel III, where he held roles across finance, corporate development, and operations across several communications infrastructure businesses including Suddenlink (cable), AAT (towers), and Broadwing (fiber).
Chris Hickman brings more than two decades of senior finance, capital markets, and corporate development experience across the digital infrastructure and energy sectors.
Prior to joining Ionic Digital, Hickman served as interim CEO and CFO at Tillman Infrastructure, overseeing the company’s strategy and financial operations. Earlier in his career, Hickman served in senior leadership positions at Crown Castle Inc. for over five years, including as Vice President of Investor Relations and Capital Markets. His tenure at Crown Castle demonstrated his ability to drive operational excellence through strategic financial leadership within the telecommunications infrastructure industry.
Before entering the telecommunications sector, Hickman spent nearly 15 years in the energy industry, where he held various leadership roles focusing on finance, strategic planning, and corporate development. Notable achievements include leading Noble Energy through the initial public offering of its midstream infrastructure business as Vice President of Investor Relations and establishing the finance organization for a multi-billion-dollar joint venture.
Hickman holds a Bachelor of Business Administration in Finance from Texas A&M University.
Richard M. Carson brings more than three decades of experience advising public and private companies across energy infrastructure, capital markets, and regulated industries, including significant experience supporting initial public offerings and public-company operations. His background includes work at the intersection of energy infrastructure and capital markets, with a focus on governance, securities compliance, and strategic transactions.
Mr. Carson has served in senior legal and executive roles for publicly traded energy companies, including as General Counsel and corporate secretary, where he led securities reporting, governance, and enterprise risk management functions and advised boards of directors on strategic transactions and capital markets activities. Most recently, Mr. Carson served as Chief Legal Officer of Prahsys Inc. and continues to serve on its Board of Directors.
Previously, Mr. Carson served as Associate General Counsel and Corporate Secretary of Magellan Midstream Partners, L.P., where he advised on governance and securities matters, including a contested proxy process to approve its merger with ONEOK, Inc. Prior to Magellan, he served as Senior Vice President and General Counsel of Cypress Energy Partners, L.P., where he led the company’s initial public offering and oversaw legal, compliance, risk management, and related functions across a multi-state and Canadian operating footprint. Earlier in his career, he held legal roles at The Williams Companies, Inc., where he supported capital markets transactions, including initial public offerings and financing activities for affiliated entities, and subsequently served as a shareholder at GableGotwals, where he represented public and private companies in securities offerings, financings, mergers and acquisitions, and other corporate transactions.
Mr. Carson’s experience advising capital-intensive, regulated businesses positions him to support Ionic Digital Inc. as it advances its strategy of developing powered land assets and scaling infrastructure for high-performance computing and AI-driven workloads.
Mr. Carson received a Juris Doctor from the University of Oklahoma and a Bachelor of Science, cum laude, from the University of Tulsa.
Antonio Piraino has served as Chief Strategy Officer of Ionic Digital since February 2026. Mr. Piraino brings 30 years of experience in digital infrastructure, data centers, cloud computing, and AI-enabled technology platforms. From 2011 to 2020, he served as Chief Technology Officer of ScienceLogic, where he led the company’s technology vision and product strategy as it expanded its infrastructure monitoring and AIOps platform for global enterprises, data center operators, and managed service providers. From 2007 to 2011, he served as Vice President of Research at Tier1 Research (a division of 451 Research, now part of S&P Global Market Intelligence), where he led research and advisory coverage of managed hosting, colocation, CDN, and cloud infrastructure markets.
Following his tenure at ScienceLogic, Mr. Piraino served in senior advisory leadership roles at Uptime Institute, including as Global Head of its Technical Advisory Group, leading international engagements focused on data center strategy, site selection, capacity planning, risk mitigation, and technical due diligence. He has also advised private equity firms, including ORIX Capital Partners and Hg Capital, on technology investment strategy and acquisition diligence, and founded early-stage ventures focused on AI-enabled cloud and digital infrastructure solutions. Mr. Piraino holds a Bachelor of Science degree from the University of Natal, an International MBA from Georgetown University, and has completed professional education in Applied Data Science at the Massachusetts Institute of Technology (MIT).
Mark Lambourne has served as Chief Development Officer of Ionic Digital since March 2026. Mark brings over 30 years of experience in the digital infrastructure industry and has worked with numerous data center operating businesses as well as private equity and real estate investment companies, where he has overseen the development of new facilities, acquisitions and transformation of existing assets, and investment opportunities in digital infrastructure operating companies in major markets.
Mark has served as the Managing Director and President for DC Capital Group, an independent business advisory, strategy, and investment firm, since January 2009. He was also President of Digital Infrastructure Advisors Ltd. from September 2022 until its sale in 2025. He has overseen the predevelopment of a Hyperscale Build to Suit project, the commercial due diligence of several successful platform acquisitions for capital funds, completed the packaging of numerous Powered Land development projects and provided investment management advisory services on numerous data center assets.
Other roles previously held by Mark include:
(i) European Managing Director for Digital Realty Trust from 2006 to 2008, where he was responsible for establishing corporate operations and acquiring existing data center assets and development sites throughout Europe
(ii) Chief Executive Officer of ClearBlue Technologies from 2001 to 2004, where he oversaw the acquisition of eight companies in the data center business although to a reverse merger into Navisite, a publicly traded Nasdaq entity
(iii) Chief Operating Officer for Global Switch from 1999 to 2001, where he helped develop their data center properties throughout Europe and Asia.
He is an active Director of the Golden Eagles, a 501C Foundation that supports the USA Men’s and Women’s Olympic Rugby Sevens program globally.