Marin's legal practice is a robust blend of commercial litigation, with a pronounced emphasis on construction litigation and arbitration, representing a spectrum of clients from owners to subcontractors in the construction and engineering sectors. His proficiency extends into guiding military, cybersecurity, and technology contractors through the intricate frameworks of Canada’s naval and aviation procurement and defense landscapes.

Marin's expertise is particularly notable in assisting international aerospace and naval corporations with their foray into the Canadian defense market, backed by his knowledge of civil aviation regulations, government relations, and trade and export control issues.

His contributions to legal scholarship include insightful analysis on the UK's regulatory approach to automated vehicles and the implications for the future of transportation. Marin's co-authored articles in On-Site Magazine and For The Defense magazine offer practical advice on navigating construction contracts in the digital age and strategic insights into competing within Canada's defense sector, respectively.

Marin's engagement with the legal community is comprehensive, with memberships in DRI, the Law Society of Alberta, the Calgary Bar Association, and the Canadian Bar Association. His commitment to legal education and mentorship is evident through his roles as a coach and moot judge at the University of Calgary, Faculty of Law, and as a faculty member at the Legal Education Society of Alberta.

His leadership within the Canadian Bar Association, particularly as the past chair of the National Military Law Section, along with his affiliation with the NATO Association of Canada, highlights his active participation in discussions at the intersection of law, military, and international relations.

Recognized as a rising star in corporate and commercial litigation by The Best Lawyers in Canada® and hailed as one of The Peak's Emerging Leaders, Marin's accolades attest to his growing influence and expertise in the legal field.

Since his admission to the Alberta bar in 2015, following his JD from the University of Toronto and a BA from the University of Western Ontario, Marin has carved out a niche that not only underscores his legal acumen but also his commitment to addressing contemporary challenges in construction, defense, and technology sectors.