William Kambas > Withers Bergman LLP > New York, United States > Lawyer Profile
Withers Bergman LLP Offices
430 PARK AVENUE
10TH FLOOR
NEW YORK, NY 10022-3505
NEW YORK
United States
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William Kambas
Work Department
Personal Tax
Position
Partner
Career
William focuses on tax planning for multi-national and multi-state personal, active business, and investment activities, with a particular emphasis on tax structuring and choice of business entity for US and non-US business owners and investors.
Bill has represented a wide variety of private and public businesses, including family-owned, start-ups and multi-million dollar enterprises on purely domestic as well as inbound and outbound business transactions, cross-border investments (whether made directly or through investment funds or joint ventures), and qualification for US tax treaty benefits. In particular, he has considerable experience advising non-US persons on the US income and estate tax consequences and tax planning associated with the ownership of US real estate (whether residential or commercial, development, operational, or for personal use).
An integral part of Bill’s work involves assisting families and/or their family offices with the formation, management, and/or periodic evaluation of multinational and/or multi-generational centralized control and management structures, such as family offices and private trust companies.
In addition to numerous speaking engagements, organization memberships and publications, Bill has been featured as a guest lecturer at the Heckerling Institute, the Hellenic Studies Program at Yale University, the Columbia Business School at Columbia University, the University of Connecticut School of Law and the Charles F. Dolan School of Business at Fairfield University. He also was specifically recognized as a “key lawyer” as part of the Withers US International Tax Team ranked by the US Legal 500 2020.
Memberships
Society of Trust and Estate Practitioners “STEP” (New York), Chair of Communications
International Fiscal Association (Westchester, NY and Connecticut Region), Executive Committee
Skidmore College Annual Fund, President
Saint Barbara Greek Orthodox Church Endowment Fund, Chairman
Hellenic Bar Association of Connecticut
New York State Bar Association
Connecticut Bar Association
American Bar Association
Education
Skidmore College, B.A.
University of Connecticut School of Business, M.B.A.
University of Connecticut School of Law, J.D. (Certificate in Tax)
Lawyer Rankings
United States > Tax > International tax
Withers LLP is noted for its expertise in traditional private wealth law particularly among multigenerational high-net worth families. The practice is co-headed by New York’s William Kambas , who focuses primarily on international tax planning with emphasis on tax structuring for US and non-US business owners and investors. The other co-heads are Jason Dinwoodie in Connecticut and Michael Brophy in Los Angeles, both experienced in risk assessment and counseling.
United States > Tax > Not-for-profit (nonprofit and tax exempt organizations)
Withers LLP‘s offering stands out for its assistance to high-net-worth families, as well as offering high-level advice to donors and charities. Alana Petraske in New York signifies this broad strength, and routinely advises US and international charities, and philanthropic families. More widely in the team, Helen Cheng and Steven Chidester are names to note in the San Diego office, and the latter is especially experienced in the area of executive compensation. Jason Dinwoodie, Michael Brophy, and William Kambas lead the overall team from New Haven, Los Angeles, and New Haven respectively.
Lawyer Rankings
- Not-for-profit (nonprofit and tax exempt organizations) United States > Tax
- International tax United States > Tax