Karl Sussan

Tax Attorney and Tax Credit Expert
(617) 765-0676

Karl is a Tax Attorney and Tax Credit Expert based out of San Francisco.  He specializes in helping companies with their ERTC claims, R&D tax credit calculations, and assisting on audit defense of clients. He brings his extensive tax expertise with a Master of Law degree in International Tax Law from Northwestern University Pritzker School of Law. Before joining Leyton, Karl worked as a Tax Attorney at a Big 4 accounting firm where he specialized in designing Tax Engines, working with Multi-National Fortune 100 clients on restructuring work, assisting on Tax-Free Reorganizations, and helping Fortune 100 clients claim the R&D tax credit. Since joining Leyton, Karl has led his colleagues not only in the US, but also globally through trainings, designing Leyton’s own ERC Tax Engine, and providing clients with post-Submission support to ensure they get their claims filed correctly

About Us: As a business, we want to help unleash our client's potential and be a strategic partner in their evolution and growth. We help find openings in processes and ways of working that others can’t see, then unlock these opportunities to create value efficiency.

Our dedicated industry teams are comprised of highly experienced scientists, engineers, tax accountants, and attorneys, all of whom are motivated to help your business robustly claim and realize the R&D credit to incentivize further innovation investment.