Jack has over twenty-five years of experience in tax and corporate law, and he advises companies of all sizes, from the Fortune 500 to well-established mid-sized companies, along with startups, and development stage companies.

Jack’s experience includes all facets of tax and business planning, and tax audit and litigation representation including choice of entity and company formation, contract drafting and review, mergers and acquisitions, nexus analysis and minimization, corporate restructuring, acquisition due diligence, audit representation, tax compliance, ASC 740 (FIN 48) and ASC 450 (FAS 5) documentation, Sarbanes-Oxley process documentation and risk and control analyses, along with Tax Director and General Counsel services.

Mr. Sullivan works with clients in a broad spectrum of industries, including moving & storage companies, retailers and e-tailers, real estate concerns, service-based entities, financial, multi-media, telecommunications, hotels, law firms, manufacturing, solar power and alternative energy providers, and pharmaceutical companies.

Jack started his career at a “Big Four” accounting firm, and he has worked with some of the largest companies in the Fortune 100 and has assisted many of these entities with significant corporate reorganizations resulting in millions of dollars of tax savings on an annual basis.