Titan America Executive Committee

Mr. Zarkalis has served as the President and Chief Executive Officer of Titan America LLC since he joined the company in 2014. Prior to Titan America SA, Mr. Zarkalis served as Titan Cement Company S.A.’s Chief Financial Officer from 2010 to 2014 and as Executive Director of Business Development and Strategic Planning from 2008 to 2010. Prior to joining Titan Cement Company SA in 2008, Mr. Zarkalis served in a number of global business leadership roles with the Dow Chemical Company. Mr. Zarkalis has served since 2010 as a member of the Executive Committee and board of directors of Titan Cement Company S.A. and Titan Cement International SA. Mr. Zarkalis holds a bachelor of science in chemical engineering from The National Technical University of Athens and a master of science in chemical engineering from Pennsylvania State University.

Larry Wilt has served as the Chief Financial Officer of Titan America LLC since 2000. Prior to Titan America, Mr. Wilt served as Tarmac America, Inc.’s Corporate Controller from 1996 to 2000 and as Manager, Internal Audit from 1995 to 1996. Prior to joining Tarmac America, Inc. in 1995, Mr. Wilt worked for Ernst & Young LLP as a Senior Manager. Mr. Wilt holds a bachelor of science degree in commerce from the University of Virginia and is a Certified Public Accountant in Virginia and Georgia.

John Christy has served as the Chief Legal Counsel of Titan America LLC since he joined the company in 2016. Prior to Titan America, Mr. Christy served as Owens Corning’s Senior Vice President, General Counsel and Secretary from 2011 to 2015 and in various senior leadership roles in the law department from 1996 to 2011. Prior to joining Owens Corning, Mr. Christy worked in private legal practice at the Chicago firm of Ungaretti & Harris LLP. Mr. Christy holds a bachelor degree in history from Dartmouth College and a juris doctor from the Northwestern University, Pritzker School of Law.

Maria Silva has served as Chief Human Resources Officer of Titan America LLC since September 2025. Ms. Silva began her career at The Dow Chemical Company, where over 20 years she held leadership roles in the United States, Asia Pacific, and Latin America. Most recently, Ms. Silva served as Vice President of Human Resources at Oshkosh Corporation, where she led enterprise HR strategies that supported innovation, engagement, and operational excellence for the Access Equipment segment. Previously, at Valaris plc, she held several senior leadership roles, guiding the integration of Ensco and Rowan, and directing business development strategies in Brazil and Mexico in partnership with major international offshore drilling companies. Maria holds a Bachelor of Science in Industrial Engineering from Universidad de los Andes and a Master of Strategic Marketing from CESA in Bogotá, Colombia.

Kevin Baird has served as Titan America LLC’s President, Mid-Atlantic Business Unit since 2017. Previously, Mr. Baird served as Senior Vice President of Ready-Mix Operations and Florida Concrete Products from 2013 to 2017 as well as the Florida Business Unit’s Vice President, Cement and Aggregate Operations, from 2011 to 2013. Prior to 2011, Mr. Baird held various engineering and operations management positions from 1999 to 2011. Mr. Baird holds a bachelor of science degree in electrical engineering from North Carolina State University.

Jason Morin has served as President, Florida Business Unit, at Titan America since early 2025. He brings a wealth of industry experience and expertise to our leadership team. After service as an officer in the US Army, he began his commercial career at General Electric working in multiple strategic sourcing and operations leadership roles. He entered the heavy materials industry in 2001 with Holcim, serving as Production Manager, Plant Manager, VP of Environmental & Government Affairs, and VP of Manufacturing. In 2015 Jason joined Summit Materials’ Continental Cement division, helping to integrate a major acquisition with executive leadership positions in operations and sales. In 2019 Jason was appointed CEO of Black Mountain Sand, where he served until 2023. Most recently, Jason founded Rearden Advisors, providing industrial clients advisory services in the areas of operational excellence and strategic mergers and acquisitions. Jason holds a bachelor’s degree from Clarkson University in Engineering & Management, and an MBA from Missouri State University.