Mark is the chair of the firm’s Tax practice and advises clients on all aspects of tax law, including federal partnership and corporate tax and Washington state business and occupations, real estate excise, and sales tax matters. He also structures real estate development transactions, private equity and real estate investment funds, and business acquisitions and dispositions. Mark has represented start-up companies, public corporations, private equity funds, tax-exempt organizations, public pension funds, real estate owners, developers, and managers on transactional matters involving federal and state tax law. He also represents clients from outside the state, including several large public corporations, in Washington state and local tax disputes with the Department of Revenue.