William Timlen

William Timlen, CPA, has more than thirty years of experience in tax, accounting, and management. He focuses on partnership taxation and passive activity loss rules, with a clear understanding of profit and loss allocations and distributions. He advises borrowers on the tax implications of debt restructurings and distressed real estate transactions, including foreclosures, deeds-in-lieu, and bankruptcy. He also works with real estate owners and developers on strategic tax planning. He provides advisory support to high-net-worth individuals and families, including assistance during complex federal and state tax examinations.

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Timlen’s Professional Career

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Tax Partner, EisnerAmper

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William joined a New York-based firm in 2016 as a Tax Partner in the Real Estate Group. The firm is known as a top 15 international tax advisory organization. Over the past 10 years, he has generated more than $2 million in new business, including $1 million in 2018. His work has involved some of the largest participants in the New York City real estate market. He also strengthened the NYC Real Estate Group by recruiting experienced professionals across both tax and audit practices.

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As part of the Real Estate Group Leadership Committee, he helps guide the Real Estate Practice's direction. His responsibilities include contributing to thought leadership, supporting business development, assisting with education initiatives, and shaping branding strategies.
He is a member of the American Institute of Certified Public Accountants.

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Career Journey

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Timlen began his career in 1993 as a Staff Accountant at a CPA firm in Princeton, New Jersey. During his four years there, he prepared tax workpapers and handled federal and state partnership, individual, corporate, and trust tax returns. He also prepared, compiled, and reviewed financial statements, researched tax matters, and assisted managers with client-related tax correspondence.

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In 1998, he joined a global firm as a Supervising Senior. In that role, he prepared detailed audit workpapers for international Fortune 100 companies in the biotech and pharmaceutical industries. This experience helped him develop a deeper understanding of audit practices and financial reporting for large organizations.

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Owner, Timlen & Company

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He later founded his own accounting firm in Princeton, New Jersey. His firm focused on tax consulting for high-net-worth individuals, real estate partnerships, and corporations. Within the first three years, he built a business generating more than $600K annually. William developed long-term client relationships, created structured tax planning strategies, implemented management advisory recommendations, and conducted detailed tax research to support client planning.

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After running his firm for 10 years, he accepted a Tax Manager position at a firm in New York. In this role, he reviewed complex partnership, corporate, trust, and individual tax returns. He advised clients in the real estate industry on like-kind exchanges, helping them defer millions in taxes. He also conducted tax research to support compliance and planning and represented clients during tax examinations before the IRS and state taxing authorities.

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Tax Principal, Friedman, LLP

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William Timlen then moved to another firm as a Tax Principal in the Real Estate Group, where he worked for seven years before joining his current organization. In this position, he provided tax and consulting services to a broad client base, including large multinational real estate and development companies, professional service firms, and high-net-worth individuals.

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He served as the lead tax contact for one of the firm’s largest and most profitable accounts. He maintained and developed the client relationship, led tax engagements, handled billing and collections, and managed teams of tax managers and senior staff. He also focused on business development by identifying cross-selling opportunities within the firm’s existing client base and building new relationships through professional networking.

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He was also part of a management group that identified opportunities and offered practical recommendations to improve the NYC Tax Department's efficiency, effectiveness, profitability, and morale.

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Education

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Timlen attended a college in Rhode Island, where he earned a Bachelor of Science in Accountancy. During his time there, he played as a pitcher in the Division 1 Baseball program for four years.

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He attended a high school in Lawrenceville, New Jersey, where he was recognized as an All-State Baseball Player for two years.

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Personal Life

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He was born and raised in New Jersey and now lives in New Canaan, Connecticut, with his family. William is married to Heather and has two sons who are in college. His son Tyler is a senior at the University of Connecticut, and Jack is a junior at the University of Miami. He follows UConn basketball and the University of Miami football closely.

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He is also a golfer and a member of the Tamarack Country Club in Greenwich. He enjoys traveling across the United States and abroad.

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He will be celebrating his 55th birthday this May. William Timlen continues to manage his professional responsibilities while maintaining a steady personal life with his family.