MarLim is a well-established and successful consulting firm that has been providing services to the: private, engineering, forest, mining, and government sectors for over 25 years.  MarLim has a good rapport and extensive experience with Ministry of Environment (MOE) and Department of Fisheries and Oceans Canada (DFO).  We have had an office in the Surrey/White Rock area since 1990 and in Prince George since 1996.  Perhaps the strongest attribute of MarLim is our relatively small staff made up of accomplished and qualified individuals.  Working with MarLim, clients know exactly what they are getting from our company, and who is doing the work.  We offer low overhead prices, and are able to give every client top priority to complete projects with the utmost thorough and personal attention.

Marlim is a SAFE Certified Company

Since 2008


Below you can view all our friendly and experienced staff.

Mark Gollner Senior Biologist | President | Project Manager Email Mark Gollner

Mark has over 30 years of experience, including many Aquatic Surveys and Inventories throughout British Columbia in marine and freshwater ecosystems. He has extensive experience involving Stream Classification and Habitat Assessments and an unequaled concern for adherence to scientific method and procedures during field sampling, data analysis and report preparation.

Alexandria Carnevale Junior Biologist / Mapping TechnicianEmail Alexandria Carnevale

Ali, who works out of the Prince George office, joined Marlim Ecological in December 2016 as a Junior Biologist and Mapping Technician. She has experience both in the field and in a lab setting conducting water sampling and analysis, fish sampling and habitat restoration. Ali is a motivated and responsible worker.

Kirsten Anderson Technician / Junior Environmental EngineerEmail Kirsten Anderson

Kirsten is a fourth year Environmental Engineering student at UBC, Vancouver. She joined Marlim Ecological as a Junior Fisheries Technician in May 2016 on a part-time basis. She is quick to learn new skills and is excited to gain new experience in the field. Kirsten brings unique, university-level knowledge and lab skills to the team from her engineering background.

Maverick Sadler Junior BiologistEmail Maverick Sadler

Maverick joined Marlim Ecological in June 2017 as a Junior Biologist/Technician. He graduated from UBC Okanagan in 2016 where he earned a Bachelor of Science, majoring in Biology. He came to Marlim with a background working in the offshore trawl fishery as an At Sea Fishery Observer. He is experienced in fish sampling, report preparation, and construction monitoring. Maverick works in the Surrey office and participates in field projects across British Columbia.

Jeffrey Gollner Field Technician

Jeffrey has been employed by Marlim on a part-time basis since 2003 and is responsible for taking on work if another field/office staff becomes ill or injured during the course of a project. He has 9 years of fisheries experience including limnology sampling, Stream Inventory and Habitat Mapping, stream classification, assessments and sampling, and stream channel, wetland, and pond restoration. Jeffrey is a highly motivated, energetic, and responsible individual.

Andre Gollner Field Technician

Andre has been employed by Marlim on a part-time basis since 2005 and is responsible for taking on work if another field/office staff becomes ill or injured during the course of a project. He has 7 years of fisheries experience, including stream classification, assessments and sampling, fish salvage, and stream channel, wetland and pond restoration. He has worked on projects throughout BC. Andre is a highly responsible, and motivated worker.