Mission / Vision
Through focused research and development and world-class execution, our mission is to provide solutions for the everyday electrical and production inefficiencies experienced by our clients. These improvements include electrical savings through VSD management as well as production savings through ESP management.
Our vision is to inspire technological innovation for environmentally-friendly solutions to reduce and supplement power generation requirements.
Chief Executive Officer
Born in Houston, Texas, Eric R. Calderon serves as the Interim Chief Executive Officer of Power Sentry. Previously, Mr. Calderon worked as the Vice President of Western Energy and Support Technology (WEST) which acquired his company, LK Industries, in 2019. Prior to WEST Eric served as the President and Chief Executive Officer of LK Industries which was purchased in 2015 through Mr. Calderon’s search fund, TXE Capital.
Mr. Calderon previously worked as an engineer for Concho Resources in the Permian Basin where he gained valuable field experience in drilling and operations. Mr. Calderon earned his Bachelor of Science in Petroleum Engineering from Texas A&M University and a Master of Business Administration from Harvard University.
Vice President of Engineering
Dr. Mohammed Arefeen has over two decades of experience in power electronics, variable speed drives, power conversion and digital control. In his current role responsible for R&D and commercialization of energy storage equipment for rod lift and ESP applications. Dr. Arefeen gained experience in product development, total product life cycle management, and sustaining operation by serving in various technical and management positions. Dr. Arefeen has over 70 technical publications, five issued patents. Dr. Arefeen is an IEEE senior member and earned Ph.D. in EE from Texas A&M University, College Station, Texas, USA 1994.
Chief Financial Officer
Born in New Orleans, Louisiana, Michael Hartsell serves as the Chief Financial Officer of Power Sentry and is responsible for the overall financial strategy and direction, as well as information technology and human resources. Mr. Hartsell has served in numerous financial leadership roles for public and private entities, located in New Orleans and Houston.
Mr. Hartsell earned his Bachelor of Accounting from the University of New Orleans in December of 1992. Mr. Hartsell is a licensed Certified Public Accountant, Certified Information Technology Professional and Chartered Global Management Accountant.
Vice President of Sales
Mr. Arran Davidson serves as the Vice President of Sales for Power Sentry. Davidson joined Power Sentry in 2019 and is in charge of the company’s direct sales efforts, strategic partnerships, and business development strategies. He started working in the oil & gas industry, June 2005, and previously retained senior sales positions in the Expro Group and Flexim. Moving from Aberdeen, Scotland, to Houston, Texas in July 2014, he brings with him over fifteen years of sales and operations experience. Mr. Davidson has a passion for people, relationships, new technology, and has a hunger to see Power Sentry succeed as thee power management solution company.
Founding Partner, CSL Capital Management, L.P.
Chief Financial Officer, CSL Capital Management, L.P.
General Counsel and Chief Compliance Officer, CSL Capital Management, L.P.
Co-founder, Seminole Management Company
Exploration Manager, Marathon Oil
Managing Partner, O TX Pumping LLC
Head, Harold Vance Department of Petroleum Engineering, Texas A&M University
Power Sentry is in proud partnership with CSL Capital Management, LLC, a Houston-based private equity firm specializing in energy services, equipment, and technology.