Mosby advises startups, utilities, infrastructure companies, and investors in the energy space. He has extensive experience advising and executing legal strategies for complex projects, business ventures, transactions, and regulatory matters. Drawing upon his knowledge of both the public and private energy sectors, he is adept at helping clients navigate legal and regulatory regimes and efficiently achieving business objectives.

Mosby’s experience prior to joining Van Ness Feldman includes working in the federal government as an Attorney-Advisor with the Federal Energy Regulatory Commission’s (FERC) Office of General Counsel, where he focused on electricity markets, rates, and tariffs. In the private sector, Mosby’s experience includes practice with an international law firm and serving as Vice President and Deputy General Counsel for Kinder Morgan, one of North America’s largest energy infrastructure companies. At Kinder Morgan, Mosby oversaw legal services across the company’s interstate natural gas pipelines, storage facilities, and liquefied natural gas (LNG) companies. He also advised on projects and transactions across the United States and in Mexico.

As the current President of the Energy Bar Association (EBA), Mosby supports EBA’s Annual and Midyear Meetings, its Charitable Foundation, and its two publications, the Energy Law Journal and the EBA Brief. With the help of EBA Staff, he created and hosts The Energy Exchange Podcast, devoted to long-form conversation with leaders and experts from across the energy space.

Mosby is based in Houston and immersed in the region’s emerging energy transition ecosystem. He operates out of the Ion in Houston’s Innovation Corridor. The Ion brings together corporate innovators, academic partners, community partners, startups, and entrepreneurs working to address critical issues for Houston’s leading industries, including energy. He is active with the Princeton Alumni Angels and advises entrepreneurs, many of whom are members of Rice Clean Energy Accelerator, Greentown Labs, Techstars, and the Cannon, among other affiliations.

  • Experience
    • Served as general counsel for Kinder Morgan’s interstate natural gas pipelines, working closely with a team of exceptional in-house attorneys, commercial leads, operations personnel, business development units, and corporate executives.
    • Guided Kinder Morgan through the Federal Energy Regulatory Commission’s implementation of the Tax Cuts and Jobs Act and helped Tennessee Gas Pipeline and El Paso Natural Gas reach FERC-approved settlements with all shippers without the need for litigation or any additional intervention by FERC, eliminating hundreds of millions of dollars of exposure for the clients and avoiding protracted litigation over rates.
    • Advised Kinder Morgan on Gulf Coast Express joint venture in negotiations to anchor, construct, own, and operate its approximately $1.75 billion, 427-mile pipeline from the Permian Basin to Agua Dulce near the Texas Gulf Coast.  GCX provides approximately 2.0 billion cubic feet per day of incremental natural gas capacity to the Texas Gulf Coast markets, relieving Permian Basin gas takeaway constraints and helping reduce natural gas flaring.
    • Counseled public utilities, corporations, and investment funds on mergers and acquisitions, renewable energy projects, electric market issues, and enforcement actions.
    • Advised public utilities through the California Refund Proceeding, reducing exposure, and ultimately securing refunds for several clients.
    • Led public utilities through the $4.5 billion Smart Grid Investment Grant program, securing funding, negotiating with vendors, and protecting clients through to final accounting.
    • Served as an advisor for the first class of the Rice Alliance’s Clean Energy Accelerator launched in 2021 to increase the likelihood of success for early-stage energy startups building solutions for a cleaner, more efficient, and sustainable future.
    • Advising startups and founders working on projects and systems to support or enhance renewable generation, smart grid technologies, distributed generation, electric vehicle deployment, and the hydrogen economy.
    • Founded and advising an initiative to organize, amplify, and coordinate efforts to reduce energy insecurity across the United States and Canada.
  • Professional Affiliations

    Energy Bar Association

    President 2021-2022

    President-Elect, 2020-2021

    Vice President, 2019-2020

    Board Member

    Professional Education Counsel, Co-Chair

    Houston Arboretum & Nature Center

    Board Member

    Rice Alliance for Technology and Entrepreneurship




    Princeton Alumni Angels

    Mentor/Deal Lead/Investor

  • Awards & Honors
  • Bar & Court Admissions
    District of Columbia Bar
    Texas State Bar
    Virginia State Bar
  • Government Service

    Federal Energy Regulatory Commission

    Office of General Counsel, Energy Markets, Attorney-Advisor, 2006-2009

    Federal District Court, Northern District of West Virginia

    Law Clerk for the Honorable Frederick P. Stamp, Jr., 2004-2006

  • News & Presentations
  • Thought Leadership


University of Richmond School of Law J.D. & M.A. in English Literature, 2004

Princeton University B.A., 1998

Rice University Business Executive Education, Global Energy Leadership Program, certificate in progress