Our Team

William H. Giese, Partner, CPA

Bill began his career at PriceWaterhouse in 1968 and was a tax partner there from 1980 until 1995.  While at PriceWaterhouse, he was involved in all areas of the tax law, but his focus was on partnership and individual taxation (including extensive large family operations).  In 1995, Bill formed the firm William H. Giese, Ltd, which became Tax Counsellors of Bryn Mawr, LLC (TCBM) in 1997.  Bill has substantial expertise in partnership and S corporation tax law, entity structuring and organization, as well as all aspects of corporate and individual taxation.

Bill received his bachelor’s degree with honors from Amherst College, and his MBA from the Wharton School.  He is a member of the AICPA and the PICPA.

Katherine C. (“KC”) Giese, Partner, CPA

KC began her accounting career in 2005 at Tax Counsellors of Bryn Mawr, LLC (“TCBM”).  After moving to DC to obtain her MBA, she joined PriceWaterhouseCoopers (PwC) where she worked and advanced to Manager in the Private Financial Services group.  Her focus while with PwC was on high net worth individuals and individuals with various foreign tax issues.  KC returned to TCBM in 2012 where she has been working closely with Bill and Lauren to further strengthen the practice and her tax expertise.  She has also taught several continuing education tax courses at TCBM.

KC received her bachelor’s degree from Amherst College and her MBA from the George Washington University.  She is a member of the AICPA and the PICPA.

Lauren S. Giese, Partner, CPA

Lauren began her career at Tax Counsellors of Bryn Mawr, LLC in 2005 and has remained with the firm ever since. She has extensive experience  in closely held business and individual taxation. Lauren has used her education background to teach continuing education for accountants and CPAs.  She is very knowledgeable with Quickbooks, Excel, and Fasttax.

Lauren received her BS in Secondary Education from the University of Vermont, and her Master’s in Accountancy from Villanova University.  She is a member of the AICPA and the PICPA.