Warren Zemlak

President & CEO

Warren Zemlak

Warren Zemlak has served as BJ Energy Solutions President and Chief Executive Officer since January 2017. With more than 30 years of experience, Mr. Zemlak has held various senior leadership and executive roles in operations, technology, business development, and manufacturing related to cementing, hydraulic fracturing, coiled tubing, and completion services.

Prior to joining BJ, Mr. Zemlak served as President and Chief Executive Officer of Allied Energy Services. Previously, he served as Vice President of Well Services and Senior Vice President of Production Services at Schlumberger where he was responsible for pressure pumping, completions and artificial lift.

Mr. Zemlak's technical and operational expertise has resulted in several patents related to reservoir stimulation, subsea intervention and horizontal drilling technology.

Caleb Barclay

Chief Operating Officer

Caleb Barclay

Caleb Barclay has served as BJ Energy Solutions Chief Operating Officer since January 2017. Mr. Barclay has more than 21 years of industry experience and holds a Bachelor of Science in Bio-Resource Engineering from Colorado State University

He began his career in the Permian Basin as a field engineer in fracturing for Schlumberger and has since held senior management positions with Sanjel, including Vice President overseeing the US Business which included fracturing, cementing, and coiled tubing operations. Prior to joining BJ, Mr. Barclay served as Chief Operating Officer of Allied Energy Services.

Ernestro Bautista III

Chief Financial Officer

Ernesto Bautista III

Ernesto has built a successful career as a senior executive with an extensive corporate strategy and financial management and analysis background, culminating into a proven track record in identifying and exploiting opportunities to maximize economic returns.

Prior to the formation of KTW (Ventures), Ernesto served as Vice President, Chief Financial Officer and Treasurer of CARBO Ceramics Inc. Prior to joining CARBO, Ernesto served in several senior management roles at W-H Energy Services, Inc., ultimately serving as Vice President and Chief Financial Officer prior to the Company’s sale to Smith International Inc.

Ernesto is a Certified Public Accountant (Texas) and holds Bachelor’s and Master’s degrees from Rice University.