Your browser is out of date.

You are currently using Internet Explorer 7/8/9, which is not supported by our site. For the best experience, please use one of the latest browsers.

Executive Team

Curtis Philippon

President & CEO

Curtis Philippon joined Certarus as the Vice President Finance & CFO in June 2014 and took over as the President & CEO in November 2016. Curtis has over 15 years of leadership experience in both operational and finance roles. Prior to his appointment at Certarus he was the operational Vice President at Enerflex responsible for the compression rental fleet for Canada & Northern USA. Curtis spent nine years in senior management roles at Enerflex and its predecessor company Toromont. Curtis was also a Controller at both Cathedral Energy Services, an international drilling and completion company and International Paper, an international forest products company.

Curtis holds a Bachelor of Commerce from the University of Alberta, a CPA CMA designation and an MBA from the University of Calgary.

Clint Warkentin

Chief Financial Officer

Clint Warkentin is an accomplished executive, with over 20 years of experience in the energy industry. Immediately prior to joining Certarus, he spent nine years with ATCO in progressively more senior roles including VP Treasurer, VP Finance & Risk, and Senior Financial Officer. Earlier in his career, Clint held senior positions at TD Securities, Superior Plus, and a renewable power company.

Clint holds a Bachelor of Commerce from the University of Saskatchewan, a CPA CMA designation, a CFA designation, and completed the Ivey Executive Program.

Natasha Cherednichenko

Chief Operating Officer

Natasha Cherednichenko previously held the role of Vice President for Water and Flowback Services for TETRA Technologies, responsible for strategic direction, innovative technology, personnel development, and operational efficiency, as well as driving profitability and HSEQ performance. Prior to joining TETRA in 2019, she held a variety of operational and functional leadership roles over a 16-year career with Schlumberger, and has experience across all major US unconventional basins, Latin America, Australia, and Europe.

Natasha holds Bachelor of Chemical Engineering and Bachelor of Commerce degrees from Monash University in Australia, and a Masters in Oil and Gas Management from Heriot-Watt University in Scotland.

Dan Bertram

Vice President Corporate Development

Dan Bertram spent over five years at Alaris Royalty Corp as VP Business Development, leading their origination and deployment efforts. Earlier in his career he worked for Deans Knight Capital Management as an Investment Analyst and spent time in the investment banking industry.

Dan is a Finance Grad from Boston College and holds a CFA designation.

David Stevenson

Vice President Engineering

David Stevenson is an energy executive with 35 years of experience in the Natural Gas and Petrochemical industries. Prior to Joining Certarus, he spent five years with Eagle LNG Partners LLC, as the Vice President of Engineering with responsibility for developing, engineering and executing multiple state of the art LNG facilities in Florida and Alberta, including the first ever Shore to Ship LNG bunkering facility in the United States. Prior to that, David spent 20 years with Enerflex Energy Systems in progressively more senior roles including Chief Engineer, Director of Engineering and Director of Natural Gas processing.

David holds a Bachelor of Science degree in Petroleum Engineering from Texas Tech University.

Denyel Sears

Vice President Finance

Denyel Sears joined the Certarus team in 2014, focusing on corporate governance and financial reporting. Denyel is a CPA, CGA with 15 years of financial experience in varying capacities. Prior to joining Certarus Denyel held the positions of Divisional Controller and Assistant Controller at Enerflex Ltd. and Corporate Controller at GLBH Corporate Services.

Denyel holds a Bachelor of Commerce from the University of Alberta.

Jacob Pratt

Vice President Renewable Natural Gas

Jacob Pratt joined Certarus to lead the renewable natural gas business unit. Jacob brings more than 15 years of senior business development experience in oil and gas, infrastructure, and private equity portfolio management, with his focus in recent years on the renewable natural gas market. Prior to Certarus, Jacob was the VP of Sales & Business Development with Morrow Energy and BCCK, and VP of Sales & Marketing with Rush-Overland.

Jacob holds a Bachelor of Engineering Technology, Concrete Industrial Management & Business Administration in addition to an MBA from Middle Tennessee State University.

Marshall Zurovec

Vice President Sales, USA

Marshall Zurovec is an accomplished sales leader in the energy industry, having served in a variety of field and office based roles. Prior to joining Certarus, Marshall held positions at Baker Hughes from the field level to National Account Manager, and also worked as Vice President of Energy Business Development at Duff & Phelps.

Marshall holds degrees in Political Science and Geographic Information Systems from The University of Texas at Austin.

Richard Cheng

Vice President Hydrogen

Richard Cheng comes to Certarus with over 20 years of engineering and leadership experience in equipment design and project execution in the energy industry. Prior to joining Certarus, he spent four years at a small-scale LNG operating company, where he managed the design and development of an LNG export facility. Richard has also held leadership roles developing projects for gas processing, gas-fired and geothermal power generation in the US, Europe, Asia and the Caribbean Islands. 

Richard holds a Bachelor of Science in Mechanical Engineering from the University of California at Berkeley.