Meet Our People - Maemura & Co. CPA’s LLP

Mr. Maemura brings years of experience advising multinational companies in cross-border deals involving mergers & acquisitions and financial due diligence. He often serves as a guest speaker on U.S. international tax matters at leadership meetings in Asia.

Prior to starting Maemura & Co., he began his career in accounting with one of The Big Four where he served high technology multinational companies. His responsibilities include assisting on outbound and inbound tax related issues for global companies and international business formation and structuring.

Mr. Maemura was born in Japan and educated in the US. He graduated from University of California, Berkeley and enjoys playing the trumpet.

Mia He

After working for one of the Big 4 accounting firms in Asia and developing a strong interest in taxation, Mia moved to the United States to further her expertise and earned a Master of Science in Taxation.

She is experienced in dealing with complex international transactions and cross-border tax matters. She also enjoys conducting complicated accounting and tax research and takes pride in providing thoughtful, reliable, and practical advice to clients. She is particularly passionate about helping clients navigate challenging tax issues and identify effective solutions that support their business goals.

Outside of work, Mia loves spending time with her two adorable cats, Theo and Walnut. Whether playing with them at home or simply enjoying their company, they always bring joy and balance to her busy life.

Ayden Smith

An aspiring CPA, Ayden understands that proper accounting is the backbone of the modern business world. He joined the firm to gain a better understanding of business on an international scale and to develop his expertise in client relations and complex problem solving.

In his free time, Ayden enjoys trying new cafes in the Bay Area, following fashion, spending time with family, playing games with friends, and cooking up new recipes.

Spencer W. Hatfield

Director of Quality Control and Technical Review

Spencer graduated from Cal Poly San Luis Obispo. He leads the firm’s transfer pricing practice, he helped to establish and is deeply involved in oversight of the firm’s international tax, financial attestation, and business valuation services.

He discovered a natural talent for accounting in high school and became a CPA because the profession offers the chance to create value for clients and community.

Spencer is from Novato, California and enjoys vocal performance, trail running, and spending time with his family.

“Here there are opportunities to develop technical expertise, travel internationally and make active contributions to the organization not often available anywhere else.”