Management Team


Varun Mishra


Varun Mishra was one of the founding members of Rice Energy and served as Vice President of Completions from the formation of the company in 2008 until April 2014. In January 2014, Rice Energy went public with a market capitalization of $2.9 billion. Mr. Mishra’s technical team applied unique ideas and led the development of Appalachian shale innovation. During his tenure at Rice, his team successfully completed more than 40 wells in Marcellus and achieved gross production of more than 300 MMCFD. Prior to joining Rice Energy, Mr. Mishra worked as a completions engineer with EOG Resources in the Barnett Shale and as a production engineer in the offshore oilfield with ONGC Ltd. Varun Holds a BS in Petroleum Engineering from India School of Mines, Dhanbad and a MS in Petroleum Engineering from Texas A&M University.

Tunde Ajayi

Vice President of Completions

Tunde Ajayi was one of the first employees at Rice Energy and served as the Vice President of Completions until November 2016. During his time at Rice Energy, he successfully completed over 180 wells and increased gross production from 200 MMCFD to 1 BCFD. He has the unique ability to design and execute some of the best Utica and Marcellus shale wells in Ohio and Pennsylvania, including the Bigfoot well in the Utica Shale in Ohio. Mr. Ajayi built and trained the Completions team at Rice Energy to focus on innovative reservoir-centric technical completion designs and incorporated this with consistently efficient, safe and cost-effective operational execution. Prior to joining Rice, he worked as a Senior Completions Engineer at Seneca Resources and as a Production Stimulation Engineer at Schlumberger. Tunde holds a BS in Chemical Engineering from Bosphorus University, Istanbul and an MS in Petroleum Engineering from Texas A&M University.

Mark Butta

Vice President of Midstream & Marketing

Mark Butta began his career in 1980 as a field engineer in western Pennsylvania with Equitable Resources before ultimately being promoted to manager of interstate transportation and marketing. Upon leaving the regulated segment of the industry, he began managing commercial sales and commodities risk management with several firms. In 2000, Mr. Butta helped launch Thermal Ventures II, LP, a successful combined heat-to-power, district energy, and distributed generation business, and served as its Vice President of Business Development. In 2008, Mark joined Rex Energy Corporation and ultimately Rice Energy, LP with a focus on building out midstream infrastructure. Since leaving Rice, Mr. Butta has advised several midstream companies, including MarkWest, Utica EMG and EnLink Midstream (formerly Crosstex), in the Marcellus and Utica Shales in Ohio. Mark holds advanced degrees in Mechanical Engineering and Draft and Design Technology from West Virginia University Institute of Technology and Point Park University.

Collin King

Vice President of Finance

Collin King previously worked as a financial analyst at Range Resources Corporation where he helped monitor liquidity, manage risk and model returns on potential transactions. He communicated with business unit managers and executives on the corporate budget and tracked actual spending compared to forecasted numbers. He also monitored credit exposure with over 100 companies and ensured counterparties were in acceptable financial condition to minimize credit risk. Mr. King also assisted in closing numerous corporate finance transactions including $750 million of senior subordinated notes in 2013. Collin graduated Cum Laude with a BBA in Finance from Texas Christian University.

Braulio Silva

Vice President of Drilling

Braulio Silva began his drilling career with EQT in 2010 where he handled engineering for top-hole rigs and horizontal rigs in the Marcellus Shale. During his time at EQT, Braulio drilled approximately 100 top-holes and 50 horizontal wells in the Appalachian Basin before moving to Noble Energy to help kick-start their operations in 2012. While at Noble Energy, the company ramped up operations to 5 horizontal rigs and 3 top-holes rigs with a 110 well program per year. Mr. Silva created technical teams with service companies to improve the efficiency of Noble’s drilling operations and designed extended reach laterals up to 22,000 ft. He holds a BS in Petroleum Engineering from Texas Tech University and is a member of the American Association of Drilling Engineers and the Society of Petroleum Engineers.