Brian Hester, B.Sc., P.Geol.

Founder / CEO

Brian started in the petroleum industry as a geotechnical consultant for Syncrude in 1976. After working for Syncrude in all aspects of heavy oil field development for a year he entered University graduating in late 1979 with a B.Sc. in Geology from the University of Alberta.

He founded Cabra Enterprises in 1980 with the goal of supplying expert geological wellsite services to the oil and gas industry. Brian has experience in all aspects of wellsite operations and has worked on complicated structural geosteering projects in the foothills and vertical and horizontal wells throughout the Western Canadian Sedimentary Basin.

His present role with Cabra as the CEO of the company is ensuring the quality and services that Cabra is known for are maintained at the highest of standards.

Brian has been a member of APEGA since 1981 and is also a member of CSPG and AAPG.


Gary Bugden, B.Sc., P.Geol.

Principal / Vice President, Geological Operations

Gary is one of the principals at Cabra Consulting Ltd. where he holds the position of Vice President, Geological Operations.  His duties include managing operations for over 70+ geologists from a variety of diverse backgrounds.

Gary’s geological career included 10 years in the field as a wellsite geologist in the Western Canadian Sedimentary Basin (WCSB) and several years in the mining industry.

He has also held positions in research and development, product management and technical sales with several major companies.

Gary holds a Bachelor of Earth Science from The Memorial University of Newfoundland and is a member of APEGA (AB & SK) and CSPG.


Brett Montague, B.Sc.

AI / Machine Learning Scientist

Brett started with Cabra Consulting Ltd. in the winter of 2010 as a wellsite consultant. 

Alongside his Geology B.Sc., he is a trained data scientist and machine learning engineer and is the founder at AI Geoscience

He has partnered with Cabra to leverage data science and machine learning to help achieve greater insight, efficiency and improved drilling results for Cabra’s clients.

Brett has a background in Python, R and C#, is a Kaggle Competitions Expert, and is an active contributor to the Calgary machine learning and artificial intelligence communities.


Mike Bodnar, B.Sc., GIT

Geosteering Manager

Mike has 8 years of industry experience in oil and gas. He started with Cabra Consulting Ltd. in June of 2012 as a wellsite consultant and has remained with the company ever since.

Most recently, he has taken on the role of Geosteering Manager, overseeing on-site and remote operations. MIke holds a Bachelor of Science from the University of British Columbia and is a member of APEGA, CSPG and CWLS.


Toni Lewis

Office Manager/Safety Coordinator

Toni has 25+ years of oil and gas industry experience and has been with Cabra Consulting Ltd. since 2010. She is responsible for office operations and the development, implementation and auditing of the company's Health, Safety and Environmental Program. Toni ensures Cabra meets all government legislative requirements and manages the data submitted to ComplyWorks, ISNetworld and Avetta.


Tracy Theunissen, B.Sc., P.Geol.

Staff Geologist / Technical Report Editor

Tracy has 10+ years of geology experience in the oil & gas industry in western canada. She started with Cabra in 2013 as a consulting geologist. Her role initially focused on detailed report review and editing to ensure clients and regulators received technically proficient data. Over the years her role has expanded to include data management, operations, business development and sales.

Tracy graduated from the University of Calgary with B.Sc. Geology and is a member of APEGA and CSPG.