EVENT REGISTRATION
August Monthly Luncheon
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Friday, 8/21/2026 11:30 AM
Brennan's Houston
Mike Marziani
CFO
Rockcliff Energy
Prior to joining Rockcliff, Michael served as Executive Vice President and Chief Financial Officer at Tall City Exploration, a privately funded, Permian-focused oil & gas company. He was responsible for the formation, growth and ultimate monetization of three iterations of the company over a ten-year period with proceeds of approximately $1.3 billion.
In the five years preceding Tall City, Michael was an investment banker and Principal with Greenhill & Co., a boutique M&A advisory firm. He helped to found Greenhill’s Houston office and advised on a number corporate energy M&A transactions. Prior to Greenhill, Michael was a Vice President with Merrill Lynch and spent over five years in the Global Energy & Power investment banking team in Houston. He worked in a variety of petroleum and reservoir engineering roles for BP in Houston for five years before transitioning to investment banking.
Mike holds a B.S. in Mechanical Engineering from Rice University and received an M.B.A. with high honors from the McCombs School of Business at the University of Texas at Austin.
SPEAKER: WAKEFORD THOMPSON, VP BUSINESS DEVELOPMENT:
Wakeford joined Rockcliff Energy as Vice President – Business Development in 2024. Prior to Rockcliff, he served as Vice President, Business Development at Magnolia Oil & Gas, a public operating company with assets in the Eagle Ford and Austin Chalk trends of South Texas. Prior to Magnolia, he worked on the investment team at EIG Global Energy Partners where he was responsible for the origination, evaluation, and management of private investments across the energy sector. Prior to EIG, Wakeford served on the investment team at Post Oak Energy Capital where he was responsible for private equity investments with a focus on upstream oil and gas. He began his career in the Oil & Gas Lending Group at Amegy Bank in Houston.
Wakeford earned a BBA in Finance from the University of Georgia and an MBA from the Jones School at Rice University.
In the five years preceding Tall City, Michael was an investment banker and Principal with Greenhill & Co., a boutique M&A advisory firm. He helped to found Greenhill’s Houston office and advised on a number corporate energy M&A transactions. Prior to Greenhill, Michael was a Vice President with Merrill Lynch and spent over five years in the Global Energy & Power investment banking team in Houston. He worked in a variety of petroleum and reservoir engineering roles for BP in Houston for five years before transitioning to investment banking.
Mike holds a B.S. in Mechanical Engineering from Rice University and received an M.B.A. with high honors from the McCombs School of Business at the University of Texas at Austin.
SPEAKER: WAKEFORD THOMPSON, VP BUSINESS DEVELOPMENT:
Wakeford joined Rockcliff Energy as Vice President – Business Development in 2024. Prior to Rockcliff, he served as Vice President, Business Development at Magnolia Oil & Gas, a public operating company with assets in the Eagle Ford and Austin Chalk trends of South Texas. Prior to Magnolia, he worked on the investment team at EIG Global Energy Partners where he was responsible for the origination, evaluation, and management of private investments across the energy sector. Prior to EIG, Wakeford served on the investment team at Post Oak Energy Capital where he was responsible for private equity investments with a focus on upstream oil and gas. He began his career in the Oil & Gas Lending Group at Amegy Bank in Houston.
Wakeford earned a BBA in Finance from the University of Georgia and an MBA from the Jones School at Rice University.