Holly Carmichael

Of Counsel
Holly is of counsel with the firm. With 25 years of experience serving multinational clients. Holly has extensive experience in corporate international tax, including advising on business acquisitions and dispositions, joint ventures, foreign tax planning, and tax-efficient intangible property management.


Holly was previously an international tax partner at PricewaterhouseCoopers (now PwC), partner leading the West region International Tax practice for BDO, LLP, and led the U.S.–Canada cross border practice while with Deloitte & Touche (now Deloitte).

Holly provides corporate tax advice to multinational companies, ranging from startups expanding into global markets to multi-billion dollar companies engaged in complex internal restructurings, acquisitions, transfer pricing matters, and U.S. and foreign audit defense. She is known for her practical, business-oriented advice in implementing crossborder structures and is viewed as a trusted advisor to internal tax professionals as well as finance and operational executives.

Holly’s career to date includes more than 15 years in Silicon Valley, during which time she has served companies across the tech spectrum. In addition, Holly has litigated non-tax issues and is admitted to practice before the U.S. Supreme Court, First and Ninth Circuits, and in several district courts.


20400 Stevens Creek Blvd.
Suite 280
Cupertino, CA 95014
Phone: (408) 255 – 6310
Fax: (408) 255 – 6350
Email: hc@grellas.com


University of California at Davis, J.D.

Golden Gate University, M.S., Taxation (LLM equiv.)

University of Arizona, Business, emphasis in Accounting, B.S.