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Jon Barooshian brings almost three decades of experience as a litigator to the table, in his work for business clients facing criminal and civil proceedings involving white collar claims and tax controversies, as well as in complex commercial disputes. A seasoned trial lawyer and former state...

Kathleen M. Lach represents clients in tax disputes across a broad spectrum of tax authorities, including the Internal Revenue Service, and state and local governments. Kathleen represents both businesses and individuals in income tax, sales tax, and penalty controversies, and in IRS audits, and...

Matthew Gerber assists commercial clients with real estate transactions, including acquisitions, dispositions, and purchase and sales agreements. He also handles leases, mortgages and financings. Matthew draws on his experience with corporate transactions to advise clients involved in mergers and...

Jenni Oprosko assists companies with contractual matters, particularly those involving intellectual property and technology. Her experience includes reviewing and drafting intellectual property licensing agreements, master services agreements, nondisclosure agreements, and software-as-a-service...

Doug Ramler's focus is on helping entrepreneurs, managers and boards build their companies. He advises high-growth start-up and emerging companies on business formation, technology commercialization, finance, governance, contracts and strategic matters. With 30 years of experience, Doug is able to...

Ronald "Ronnie" Fieldstone draws on more than 45 years of legal experience to advise clients on sophisticated commercial and real estate transactions. His focus includes matters involving corporate, real estate, securities and tax law. His advice is also shaped by insights arising from his...

Robert E. McKenzie concentrates his practice in representing clients before the Internal Revenue Service and state agencies. He has lectured extensively on the subject of taxation. He has presented courses before thousands of CPAs, attorneys and enrolled agents nationwide. Robert is recognized as an...

Dennis Brennan helps companies navigate the legal risks they face when they enter into mergers and acquisitions, purchase agreements and other major transactions. Dennis represents clients in the insurance industry, such as carriers, brokers, TPAs and agencies, as well as clients in other industries...

Eric Orlinsky co-chairs the firm's Corporate Practice and its Private Equity/Venture Capital subgroup and concentrates his practice in general business and securities law and counsels clients in private equity and venture capital investments, public and private offerings of debt and equity...

Al Coleman is an award-winning corporate partner who is sought after for his work handling major transactions, including for high-profile clients. Kevin Warren, former chief operating officer for the Minnesota Vikings and current commissioner of the Big 10 Conference, says "Al has always provided...

Marielle MacMinn represents businesses and individuals in their tax matters, with a focus on tax disputes from the federal to the state and local levels, including matters involving income taxes, sales taxes, payroll taxes, and penalty controversies. Marielle’s work with tax controversy includes...

Guzel Sadykova handles a wide variety of corporate work, including assisting with mergers and acquisitions, purchases and sales of equity and assets, and other key business deals. Guzel also works with both borrowers and lenders on various financing deals, including transactions involving secured...

Vanessa Schoenthaler's practice focuses on corporate, securities and regulatory matters, with a particular emphasis on securities transactions, disclosure obligations, corporate governance, investment management and regulatory compliance. Vanessa's corporate finance experience ranges from advising...

Don Lussier represents clients in complex matters involving a wide range of commercial assets across the United States, including real estate, corporate and commercial lending transactions. Clients appreciate his ability to efficiently identify the issues that really matter, and to find creative and...

Rohit Kapuria focuses his practice in general corporate and securities law, representing both public and private companies in connection with mergers and acquisitions, public and private offerings of securities and SEC disclosure, and corporate governance. His corporate/securities practice also...

David Sartorio focuses his practice on corporate transactions including mergers and acquisitions, control and non-control investments, joint ventures and strategic partnerships. David has experience advising companies ranging from private start-up and growth companies to large public companies...

Thomas Doyle advises companies on legal issues in connection with their daily operations and long-term business strategies. His experience includes representing clients in a variety of transactions, including mergers and acquisitions, venture financing and debt financing. Companies frequently rely...

Athira Sivan is a member of the Transactional Department in the Firm's Philadelphia office. She maintains a general corporate practice and assists with a variety of deals. While earning her J.D. at University of Pennsylvania Law School, Athira was an intern in the Philadelphia Law Department, where...

Robert Christoffel is a tax attorney who advises clients on U.S. domestic and cross-border transactional as well as international tax matters. Public and private companies and private equity funds look to him to structure and negotiate taxable and tax-free corporate mergers and acquisitions (share...

Mark Gruhin is a business lawyer who has been practicing law for more than 40 years. In addition to his legal practice, he has co-founded and been involved in several start-up businesses, including Careerbuilder.com. Mark has an extensive amount of general corporate experience in venture capital...