Energy, Industrial, Natural Resources & Power

CGA Insurance is a Global Specialty Managing General Underwriting company. We offer customized insurance solutions for domestic and International Clients that require protection for their large complex risks.

The CGA Difference

We bring a strong competitive advantage and meaningful capacity to the onshore energy sector, along with:

  • Strong technical underwriting
  • Prompt underwriting and claims service
  • In-house Risk Engineer expertise
  • Building on long-term relationships with our brokers and clients

Our Core Values

  • Specialized expertise and strong, technical know-how.
  • Providing professionalism and integrity throughout the entire underwriting process.
  • Teamwork is key to our success in providing clients with unique solutions.

The CGA team consists of expert underwriters who are able to provide businesses with tailored insurance solutions for their unique risks. Our appetite includes the following:

  • Downstream and Petrochemicals
  • Midstream
  • Power Generation & Utilities
  • Natural Resources & Processing
  • Chemical Manufacturing / Plants
  • Processing Plants


Coverages Offered

  • Physical Damage
  • Business Interruption
  • Parametric (Re)Insurance

mark headshotMark Groenheide | President

Mark is responsible for growing and managing business by focusing on niche specialty markets and targeted distribution with opportunities for sustained profit and growth. He previously served as Vice President Engineering Lines North American Underwriting at HDI Global Insurance Company and held senior leadership roles with Generali.


adam headshotAdam Berger | Senior Vice President

Adam has been in the retail and special lines industry for 13 years, which includes several years as a Technical Risk underwriter. Equipped with his previous experiences at building an MGA and working at an Insurtech startup, Adam leads CGA Insurance's new MGU unit, in addition to assisting the Specialty underwriting team.


lisa headshotLisa Chines | Lead Underwriter, Energy

Lisa has been a leader in the Marine and Energy insurance industry for over 15 years. She began her career at Arch Insurance Company, followed by a 10 year career at Navigators Insurance Company where she managed the US Offshore Energy product. Lisa is an active member of the American Institute of Marine Underwriters where she currently sits as Chairman of the Offshore Energy Committee. She also serves on the International Union of Marine Insurance’s Offshore Energy Committee and sits on the Houston Marine and Energy Insurance Conference Committee.


ashton headshotAshton Baca | Senior Underwriter, Energy

Ashton started his career at AIG as the Commercial Property Assistant Manager and brings 7 years of experience in the industry to his new role of Senior Underwriter. Ashton graduated from the University of North Texas in 2014 with a Bachelor’s in Risk, Insurance and Financial Services and is involved in Gamma Iota Sigma (GIS), Young Risk Professionals (YRP) and RIMS.


Justin Reed headshotJustin Reed | Underwriter, Energy

Justin joins the CGA Specialty team with over 15 years of experience in the insurance industry, including underwriting at GuideOne Insurance for the past seven years. Prior to GuideOne, he worked at Marsh & McLennan in Urbandale, Iowa, as a large account manager for program business.


Sarah Walls headshotSarah Walls | Senior Specialty Underwriter, Associate

Sarah joins the CGA Specialty team after nine years with GuideOne Insurance, most recently working as an Underwriting Associate for the Specialty E&S niche. Her attention to detail and determined attitude will help facilitate stronger relationships with our customers and provide a positive experience.


jessica headshotJessica Wiley | Associate Underwriter

Jessica joins the CGA team as an underwriting assistant with over 20 years of experience. Prior to joining CGA, Jessica was an agent and customer service representative, and has worked with all lines of business within various industries.