Directory

Jason Siedlecki

J.S. Held Acquires Element Forensic Engineering, Expanding Insurance-Focused Capabilities for Mid-Market and Large Loss Property Claims Across Canada

Read More close Created with Sketch.

Jason Siedlecki joined J.S. Held in April of 2026 as part of J.S. Held's acquisition of CMM, LLP.

Jason provides forensic accounting services for family law matters and has performed hundreds of litigation engagements since 2004. His work includes determining gross cash flow and income available for support; tracing and allocating funds under applicable case law; evaluating marital lifestyle; and analyzing and apportioning interests in real property, retirement assets, stock options, restricted stock, and carried interest.

Jason also serves as a trusted advisor on complex dissolution matters, participates in mediations and settlement conferences, and is frequently engaged as a joint forensic expert by mediators. He has qualified and testified as an expert witness in Los Angeles County.

Jason holds a Bachelor of Science in Business and Economics with a concentration in Accounting and a Master of Science in Accounting and Information Analysis from Lehigh University.