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Ojen Sirin is the Chief Marketing & Talent Officer at Sullivan, where she plays a central role in aligning the firm’s business strategy with the professional growth and development of its attorneys. She leads the firm’s global marketing and business development function, partnering closely with lawyers across practices to strengthen market positioning, drive revenue growth, and cultivate long-term client relationships.
Ojen works closely with the firm’s Management Committee, partners, and Practice Group Leaders to design and execute comprehensive business development strategies. She oversees the strategic direction and performance of the firm’s Practice Groups, with a focus on identifying growth opportunities, enhancing cross-practice collaboration, and driving measurable results. Her leadership spans all aspects of marketing and business development, including revenue planning, practice group budgeting, high-impact client pitches and proposals, internal and external communications, and thought leadership initiatives. Known for her forward-thinking approach, Ojen also champions innovative, data-driven strategies that position the firm competitively in an evolving legal marketplace.
In her talent development role, Ojen leads the firm’s efforts to recruit, develop, and retain top legal talent. She has built and implemented comprehensive talent management frameworks that support associates, counsel, and partners at every stage of their careers, including individualized career development plans, performance evaluation systems, and structured feedback processes. She also designs and oversees strategic work allocation programs to ensure attorneys gain meaningful experience. Ojen collaborates closely with department directors and practice group leaders to align staffing with developmental goals, and she is responsible for the firm’s attorney training and mentoring initiatives. She co-manages the First Year Associate Program and guides new attorneys through departmental rotations and advising them on department placement.
John Graham was quoted in the article "IRS Proposed Rules for Trusts Eliminate Reporting Headaches," published by Bloomberg Tax [sub. req'd] on August 17, 2026. The article focuses on proposed IRS rules that would ease reporting requirements for trusts with certain charitable deductions, helping them avoid late-filing penalties while simplifying the process for both taxpayers and the IRS. “It’s favorable to taxpayers,” John said, summing up the benefit of the proposed rules.
Sullivan & Worcester represented Datavault AI Inc. (Nasdaq: DVLT), an Artificial Intelligence Platform company focused on data monetization, tokenization and digital asset technologies, in its acquisition of NYIAX, Inc., a pioneer in blockchain-enabled exchange technology and contract management infrastructure. The acquisition adds NYIAX's institutional-grade exchange technology, blockchain settlement infrastructure and portfolio of intellectual property assets to Datavault AI's platform, strengthening the company's capabilities across the digital asset and real-world asset tokenization
Geoffrey Wynne will participate in a panel discussion at ITFA's 52nd Annual International Trade and Forfaiting Conference alongside Ailsa McNeil, Director at Texel, and Hernan Mayol, Board Member and Representative of ITFA Americas and Chair of ITFA’s Latin America Regional Committee (LARC). The session, titled “Financing the future: From defence to critical raw materials,” will be moderated by Clarissa Dann, Editorial Director at Deutsche Bank AG. The session will explore how trade
Sullivan partner Tehila Levi Lati will speak at a webinar held in collaboration with Amazon and Digate titled "Going Live in China" on September 8, 2026. Designed for decision-makers and technical leaders navigating regional expansion, the program will explore key technical, legal and operational considerations for launching in China, including cloud infrastructure, local licensing, data privacy and corporate risk management. During the webinar, Tehila will leverage her deep experience leading Sullivan's China and
Simon Cook, in his role as ITFA's Head of Education, will jointly moderate a Q&A on “The next generation: Three emerging leaders, three ideas”, together with Charlie O'Mulloy, chair of ITFA’s Emerging Leader Committee and Associate Banker at EBRD, at ITFA’s 52nd Annual International Trade and Forfaiting Conference in Split, Croatia on September 9. The Q&A will follow the presentations made by the finalists of the 2026 ITFA Emerging Leader
Since the publication of this Client Alert on July 30, 2026, several significant developments have affected the implementation of NYC’s Non-Primary Residence Surcharge (the “Pied-à-Terre Tax”), including the NYC Department of Finance (“NYC DOF”) extending the deadline for property owners to submit exemption applications to September 18, 2026. On August 7, 2026, three NYC homeowners filed a lawsuit challenging the City’s implementation of the surcharge, including the City’s process of identifying
Douglas S. Stransky, partner and leader of the Tax Practice Group, has published a new post on the LexisNexis blog examining a recurring problem in cross-border acquisitions: entity classification errors discovered in tax due diligence. Using a hypothetical fact pattern in which a target’s foreign subsidiary never filed its check-the-box election, the post explains why classification mistakes persist, how a missing Form 5471 can leave the assessment statute open indefinitely under
On July 29, 2026, the Securities and Exchange Commission (the "SEC") notified Nasdaq that it had received notices of intention to petition for review of the SEC's July 22, 2026 order approving Nasdaq's proposed rule change requiring listed companies to maintain a minimum Market Value of Listed Securities ("MVLS") of $5 million. Pursuant to Rule 431(e) of the SEC's Rules of Practice, the July 22, 2026 approval order has been
New York City Department of Finance (“NYC DOF”) recently began notifying property owners by mail that they may be subject to the City’s new Non-Primary Residence Surcharge, which will be imposed annually on certain high-value residential properties that are not used as primary residences.[i] Although the surcharge is commonly referred to as the “Pied-à-Terre Tax,” it applies to a broader range of non-primary residences. Receipt of a notice does not necessarily
John Graham was quoted in the article "IRS Proposed Rules for Trusts Eliminate Reporting Headaches," published by Bloomberg Tax [sub. req'd] on August 17, 2026. The article focuses on proposed IRS rules that would ease reporting requirements for trusts with certain charitable deductions, helping them avoid late-filing penalties while simplifying the process for both taxpayers and the IRS. “It’s favorable to taxpayers,” John said, summing up the benefit of the proposed rules.
Sullivan & Worcester represented Datavault AI Inc. (Nasdaq: DVLT), an Artificial Intelligence Platform company focused on data monetization, tokenization and digital asset technologies, in its acquisition of NYIAX, Inc., a pioneer in blockchain-enabled exchange technology and contract management infrastructure. The acquisition adds NYIAX's institutional-grade exchange technology, blockchain settlement infrastructure and portfolio of intellectual property assets to Datavault AI's platform, strengthening the company's capabilities across the digital asset and real-world asset tokenization
Geoffrey Wynne will participate in a panel discussion at ITFA's 52nd Annual International Trade and Forfaiting Conference alongside Ailsa McNeil, Director at Texel, and Hernan Mayol, Board Member and Representative of ITFA Americas and Chair of ITFA’s Latin America Regional Committee (LARC). The session, titled “Financing the future: From defence to critical raw materials,” will be moderated by Clarissa Dann, Editorial Director at Deutsche Bank AG. The session will explore how trade
Sullivan partner Tehila Levi Lati will speak at a webinar held in collaboration with Amazon and Digate titled "Going Live in China" on September 8, 2026. Designed for decision-makers and technical leaders navigating regional expansion, the program will explore key technical, legal and operational considerations for launching in China, including cloud infrastructure, local licensing, data privacy and corporate risk management. During the webinar, Tehila will leverage her deep experience leading Sullivan's China and
Simon Cook, in his role as ITFA's Head of Education, will jointly moderate a Q&A on “The next generation: Three emerging leaders, three ideas”, together with Charlie O'Mulloy, chair of ITFA’s Emerging Leader Committee and Associate Banker at EBRD, at ITFA’s 52nd Annual International Trade and Forfaiting Conference in Split, Croatia on September 9. The Q&A will follow the presentations made by the finalists of the 2026 ITFA Emerging Leader
