Leadership Team
J. Michael Yeager
Executive Chairman & Chief Executive Officer
J. Michael Yeager joined the Company as Chief Executive Officer and Executive Chairman in October 2013. With over 35 years of executive level experience in the oil and gas business, Mr. Yeager has a strong international petroleum background and a deep development and operating understanding.
Mr. Yeager was the CEO of BHP Billiton Petroleum from 2006 – 2013. Previously he was at ExxonMobil, where he held various global executive roles, including Vice President of ExxonMobil Development Company, and Vice President – Africa, and Vice President – Europe for ExxonMobil Production Company. He held the position of CEO for the ExxonMobil Canadian affiliate, Imperial Oil Resources, where he was responsible for all aspects of their upstream oil and gas business. While at Mobil Corporation, he was President of Mobil Exploration and Producing, U.S. and performed key roles in the merger with Exxon. Mr. Yeager holds a Bachelor of Science degree from the U.S. Naval Academy and a Master of Science degree from the University of Southern California.
Mark Mabile
Vice President, Operations
Mark Mabile joined the Company in November 2017, bringing over 35 years of executive management and engineering experience. He has a strong background in all areas of drilling, completion, workover, and production operations management.
Prior to joining the Company, Mr. Mabile spent 10 years at Southwestern Energy and held various senior leadership roles. Previously, he held operational roles at Fidelity Oil & Gas, Baker Hughes, and Conoco. Mr. Mabile holds a Bachelor of Science in Petroleum Engineering from Louisiana State University and a Master of Science degree in Petroleum Engineering from Tulane University.
Stephen W. Mullican
Vice President, Engineering
Stephen Mullican joined the Company in September 2014, bringing over 30 years of engineering management and business development experience. He has significant expertise in the screening of assets, asset valuation, engineering management, development planning and executing transactions.
Prior to joining the Company, Mr. Mullican was the Vice President of Business Development and Engineering for Grenadier Energy Partners. Previously, he held similar roles at several independent oil and gas companies and BP/Vastar/ARCO. Mr. Mullican holds a Bachelor of Science degree in Petroleum Engineering from The University of Tulsa.
Char Lombardo
Vice President, Business Services
Char Lombardo joined the Company in January of 2016 bringing over 35 years of experience in human resources, information technology, facilities operations, construction and real estate management in the oil & gas and manufacturing industries.
Prior to joining, Ms. Lombardo spent 13 years at BHP Billiton and held roles as Senior Facilities Operations Manager and HR Planning Manager. Previously, she served as Division Director, eManufacturing & Support Services for RWD Technologies and Global Account Executive to General Motors for Electronic Data Systems. She holds a Bachelor of Arts degree in International Studies, Magna Cum Laude, from Oakland University in Rochester, Michigan and an Associate of Applied Science Degree in Electronic Engineering Technology with honors from Lima Technical College in Lima, Ohio.
Leadership Team
J. Michael Yeager
Executive Chairman & Chief Executive Officer
J. Michael Yeager joined the Company as Chief Executive Officer and Executive Chairman in October 2013. With over 35 years of executive level experience in the oil and gas business, Mr. Yeager has a strong international petroleum background and a deep development and operating understanding.
Mr. Yeager was the CEO of BHP Billiton Petroleum from 2006 – 2013. Previously he was at ExxonMobil, where he held various global executive roles, including Vice President of ExxonMobil Development Company, and Vice President – Africa, and Vice President – Europe for ExxonMobil Production Company. He held the position of CEO for the ExxonMobil Canadian affiliate, Imperial Oil Resources, where he was responsible for all aspects of their upstream oil and gas business. While at Mobil Corporation, he was President of Mobil Exploration and Producing, U.S. and performed key roles in the merger with Exxon. Mr. Yeager holds a Bachelor of Science degree from the U.S. Naval Academy and a Master of Science degree from the University of Southern California.
Mark Mabile
Vice President, Operations
Mark Mabile joined the Company in November 2017, bringing over 35 years of executive management and engineering experience. He has a strong background in all areas of drilling, completion, workover, and production operations management.
Prior to joining the Company, Mr. Mabile spent 10 years at Southwestern Energy and held various senior leadership roles. Previously, he held operational roles at Fidelity Oil & Gas, Baker Hughes, and Conoco. Mr. Mabile holds a Bachelor of Science in Petroleum Engineering from Louisiana State University and a Master of Science degree in Petroleum Engineering from Tulane University.
Stephen W. Mullican
Vice President, Engineering
Stephen Mullican joined the Company in September 2014, bringing over 30 years of engineering management and business development experience. He has significant expertise in the screening of assets, asset valuation, engineering management, development planning and executing transactions.
Prior to joining the Company, Mr. Mullican was the Vice President of Business Development and Engineering for Grenadier Energy Partners. Previously, he held similar roles at several independent oil and gas companies and BP/Vastar/ARCO. Mr. Mullican holds a Bachelor of Science degree in Petroleum Engineering from The University of Tulsa.
Char Lombardo
Vice President, Business Services
Char Lombardo joined the Company in January of 2016 bringing over 35 years of experience in human resources, information technology, facilities operations, construction and real estate management in the oil & gas and manufacturing industries.
Prior to joining, Ms. Lombardo spent 13 years at BHP Billiton and held roles as Senior Facilities Operations Manager and HR Planning Manager. Previously, she served as Division Director, eManufacturing & Support Services for RWD Technologies and Global Account Executive to General Motors for Electronic Data Systems. She holds a Bachelor of Arts degree in International Studies, Magna Cum Laude, from Oakland University in Rochester, Michigan and an Associate of Applied Science Degree in Electronic Engineering Technology with honors from Lima Technical College in Lima, Ohio.