Staff - Mark Timko

Mark Timko is a Senior Fishery Biologist with more than 25 years of fisheries experience. Mr. Timko has been responsible for designing and conducting large-scale multi-year biotelemetry studies of various diadromous species to assess migration, timing, and distribution as they relate to hydroelectric project operations worldwide. Since 1999, Mr. Timko has conducted juvenile salmonid evaluations at hydro facilities to evaluate behavior and passage metrics with respect to structural, operational, and environmental conditions. Mr. Timko has managed and participated in all aspects of research and monitoring projects including study design, implementation, analysis, reporting, and personnel administration. He is adept at setting up new field studies, prioritizing work tasks and logistics, designing and organizing data collection systems, developing skilled work teams, and preparing options for technical committees. His statistical expertise also assures that overall study precision and accuracy is met. Mr. Timko’s inherent organizational skills and thoroughness, succinct communications, and keen awareness of project needs contribute greatly to project success.

Mr. Timko was an active participant of the Priest Rapids Bypass Design Team where he collaborated with engineers and biologists on behalf of Grant PUD to design a top-spill passage alternative at Priest Rapids Dam that was completed in 2014. He has a MS in Fisheries from the University of Alaska in 1998 and a BS in Marine Sciences from Hawaii Pacific University in 1992.