Marjan is a Lead Scientist in the Building Systems Group at FPInnovations. He is also an Adjunct Professor at the Department of Wood Science at the University of British Columbia, and at the Centre for Integrated Wood Design, at the University of Northern British Columbia.

Marjan has 35 years of research and technical experience in seismic performance of buildings, specializing in mass timber buildings. He is an author and co-author of over 200 scientific and technical publications, textbook chapters, and special publications such as the Canadian Technical Guide for the Design of Tall Wood Buildings, two editions of the Canadian CLT Handbook, and the Canadian Technical Guide for Mid-rise Wood Frame Construction. He has been on the forefront of the introduction of CLT as structural material and system in Canada.

Over the years Marjan has been member of several Canadian and International Technical Committees (TCs), including CSAO86, the Canadian TC on Engineering Design in Wood, the National Building Code of Canada Standing Committee on Earthquake Design, and the Canada-Japan-USA Building Experts Committee.