Matt Pearson, CPA Alten Sakai & Company LLP, Portland Matt Pearson, CPA, Alten Sakai & Company LLP, Portland. Mr. Pearson specializes in individual and business taxation and CPA elder care services. He is a member of the American Institute of Certified Public Accountants and the Oregon Society of Certified Public Accountants. Mr. Pearson holds a BS in Business Administration from the University of Portland. (10/11)