Mark Castiglione

Mark Castiglione is a partner at Meridian Energy LLC, a Houston-based energy advisory firm established in 2017. He is the former Chief Executive Officer of Alta Mesa Resources, Inc. Mr. Castiglione joined Alta Mesa in January 2019 as a member of the executive team and was promoted to Chief Executive Officer in September 2019. Previously, he was engaged as Senior Advisor to SandRidge Energy, Inc. in 2015 and 2016. Prior to that point, Mr. Castiglione served as Senior Vice President – Business Development of Quantum Resources Management, LLC and QR Energy, LP from 2010 to 2014. Before joining Quantum Resources, he held the position of Vice President – Acquisitions of El Paso Corporation. Mr. Castiglione’s prior background at Encana Corporation, Burlington Resources, and Simmons & Company International includes positions of increasing responsibility in corporate development, corporate finance, asset management, and engineering. He began his career in 1994 as a reservoir engineer at Burlington Resources.

Mr. Castiglione received a Bachelor of Science degree in petroleum engineering from Texas Tech University and a Master of Business Administration degree from the Cox School of Business at Southern Methodist University.