Bivans, Roger

Roger W. Bivans

Baker & McKenzie LLP


Roger Bivans is a seasoned lawyer focused on strategic transactions, including domestic and cross-border mergers and acquisitions, carve-out and joint venture transactions, US and global capital markets transactions, securities regulation and corporate governance matters and general commercial transactions. He is recognized by Chambers USA for Corporate/M&A. A frequent speaker on securities regulation, he is the current Dallas chapter president of the Society for Corporate Governance and moderator of the DFW Securities Law Discussion Group. Mr. Bivans previously served as a surface warfare officer in the United States Navy.

Practice Focus

Mr. Bivans focuses his practice on mergers and acquisitions for multinational and US public and private companies, capital raising transactions, securities regulations and corporate governance, and corporate finance transactions. His clients cover a wide variety of industries, including energy, infrastructure, engineering & construction, telecommunications and venture capital/private equity.

Representative Legal Matters

Mr. Bivans has represented clients and led multi-disciplinary teams for a number of strategic transactions, including:

  • Represented Ramboll Gruppen A/S, a Danish engineering consulting company, in connection with its acquisition of ENVIRON Holdings, Inc., a US-based environmental consulting firm with operations in over 15 countries.

  • Represented Radisys Corporation, a Nasdaq-listed telecommunications services company, in connection with the sale of the company to Reliance Industries Limited, an Indian technology company and mobile services provider.

  • Represented Quest Diagnostics, an NYSE-listed laboratory services company, in connection with the sale of its Focus Products business unit to DiaSorin S.p.A. and certain affiliates.

  • Represented Rimrock Midstream, a Dallas-based midstream energy company, in connection with the sale of its ownership interest in the Grand Mesa Pipeline Joint Venture.

  • Represented Jefferson Refinery and affiliated Houston-based petroleum infrastructure company in connection with the sale of its businesses to an affiliate of Fortress Investment Group.

  • Represented Ramboll in connection with the acquisition of Excel Engineering, a Houston-based engineering consulting company serving the offshore energy industry.

  • Represented HSB Solomon Associates, a Dallas-based engineering consulting company, in connection with the acquisition of Ziff Energy Group, a Calgary-based engineering consulting company serving the petroleum industry.

  • Represented Rimrock Midstream in connection with its acquisition of the El Dorado Tank Farm from Enbridge Pipelines, a Calgary-based energy company.

  • Represented Ensco plc, a UK-based, NYSE-listed offshore drilling contractor, in connection with the acquisition of Pride International, Inc., an NYSE-listed offshore drilling contractor, for approximately USD8.9 billion in cash and stock.

  • Represented Ensco in connection with its redomestication to the UK.

Professional Associations and Memberships

  • State Bar of Texas - Member
  • Phi Delta Phi - Member
  • New York State Bar Association - Member
  • American Bar Association - Member
  • Dallas Bar Association - Member
  • Society for Corporate Governance - President of Dallas Chapter


  • New York~United States (2010)
  • Texas~United States (1996)


  • University of Texas School of Law (J.D. with Honors) (1996)
  • U.S. Naval Academy (B.S. Ocean Engineering with Distinction) (1988)


  • English