Sullivan & Cromwell LLP Logo
  • Home
  • Lawyers
  • Practices
  • Insights
  • About
  • Careers
  • Alumni
  • Twitter icon
  • LinkedIn icon
  •  icon
  • Podcasts icon
© 2025 Sullivan & Cromwell LLP
    • Home
    • Lawyers
    • Practices
    • Insights
    • About
    • Careers
    • Alumni
    Home /  Lawyers /  Dalia O. Blass

    Dalia O. Blass

    Partner

    Dalia O. Blass Headshot Photo Portrait backdrop

    Washington, D.C.

    +1-202-956-7594

    New York

    +1-212-558-4386

    |

    blassd@sullcrom.com

    Email vCard

    Dalia Blass is the Senior Investment Management Partner and a partner in S&C’s Financial Services Group. Her practice focuses on providing strategic and regulatory advice to asset managers, registered and private funds, fund boards and their service providers across the range of regulatory, governance, compliance, examination and enforcement matters they face. She has a unique and deep expertise in the intricate legal, risk and compliance issues raised by existing and new regulation under the Investment Company Act and the Investment Advisers Act, including with respect to the design and structuring of innovative fund products and addressing challenging governance matters. Her leadership in these areas support clients as they navigate the increasingly complex global, federal and state regulatory landscape facing asset managers.

    Ms. Blass joined the Firm in 2023 from BlackRock, where she was Senior Managing Director, Global Head of External Affairs and a member of BlackRock’s Global Executive Committee. At BlackRock she led teams that managed the firm’s key regulatory, policy and reputational challenges and opportunities, including with respect to the firm’s sustainability priorities.

    Prior to BlackRock, Ms. Blass served as the Director of the Division of Investment Management at the U.S. Securities and Exchange Commission (SEC). Under her leadership, the Division of Investment Management finalized more than 70 regulatory initiatives to modernize the regulatory framework for investment companies and investment advisers, improve the investor experience through modernized disclosure and outreach efforts, elevate the standards of conduct for financial professionals, and re-evaluate the role and responsibilities of fund boards of directors. Ms. Blass was a member of the SEC’s senior-level COVID-19 Market Monitoring Group and contributed to the staff’s report on the U.S. Credit Markets Interconnectedness and Effects of the COVID-19 Economic Shock. She also co-chaired the Financial Stability Board’s Technical Experts Group on Money Market Funds. A summary of Division of Investment Management Activities under Ms. Blass is available here.

    Ms. Blass previously served in a number of leadership roles in the Division of Investment Management for a total of 14 years at the SEC. She has received the SEC’s Distinguished Service Award and the Manuel F. Cohen Award, was named in Barron’s inaugural list of the 100 Most Influential Women in U.S. Finance and was most recently named to the Forbes ‘50 Over 50’ list for 2024. The only law firm partner named in the Investment category, Dalia was recognized as a leading voice on complex regulatory and compliance issues.

    She is a member of the Governing Board of the Center for Audit Quality and head of the Board’s nominating and governance committee.

    Read More

    Spotlight

    Investment Management Newsletter

    Read More
    insights_im_newsletter_1904x840

    Sharon Nelles, Cathy Clarkin, Steve Peikin, Dalia Blass, Jamie McDonald and Colin Lloyd to Speak at SIFMA’s C&L Seminar

    Read More

    Dalia Blass Named to Forbes’ ‘50 Over 50’ List for 2024

    Read More
    blass_483-x180

    Dalia Blass Testifies Before HFSC Subcommittee on Capital Markets About Unintended Consequences of the SEC’s Agenda

    Read more
    blass,dalia

    Dalia Blass Featured on American Bar Association’s VC Law Podcast

    Read More
    • Experience
    • News
    • Credentials
    • Related Practices
    Experience

    Experience

    Speaking Engagements

    • Panelist, “Building to a Crescendo? Assessing the SEC’s 2024 Investment Management Rulemaking Activity,” 2024 Investment Management Conference, Investment Company Institute (2024)
    • Panelist, “Putting Your Money where Your Mouth Is – Investment Management with Purpose,” ESG: The Role of Lawyers Today and in the Future conference, International Bar Association (2024)
    • Panelist, “Regulatory Developments Impacting Governance – A Discussion with Experts,” Independent Directors Council, Fund Directors Conference (2023)
    • Fireside Chat, “A Buy Side Guide to Navigating the SEC,” Security Traders Association, Annual Market Structure Conference (2023)
    • Panelist, “Panel Discussion on the State of Corporate Disclosure,” Decoding Disclosure: What International Disclosure Standards Mean for U.S. Business, U.S. Chamber’s Center for Capital Markets and Europe Program (2023)
    • Panelist, “The SEC’s Unprecedented Regulatory Agenda,” Roundtable on Policy Issues in Asset Management, Program on International Financial Systems (2023)
    • Panelist, “The Impact of the SEC Regulation,” Reuters’ ESG Investments, Net Zero and Sustainability Reporting Conference (2023)
    • Panelist, “Evaluating Fiduciary Responsibility in the Age of ESG,” The Federalist Society’s Acute Legal Issues Facing In-House Counsel Conference (2023)
    Read More
    News

    News

    • Sharon Nelles, Cathy Clarkin, Steve Peikin, Dalia Blass, Jamie McDonald and Colin Lloyd to Speak at SIFMA’s C&L Seminar

      March 17, 2025
    • Dalia Blass Discusses SEC’s Predictive Data Analytics Rule with Ignites

      May 2, 2024
    • Dalia Blass Reviews PDA Rule Proposal on Compliance in Context Podcast

      November 17, 2023
    • Dalia Blass Testifies Before HFSC Subcommittee on Capital Markets About Unintended Consequences of the SEC’s Agenda

      November 6, 2023
    • SoftBank Group Raises $5.23 Billion in Arm IPO

      October 9, 2023
    • Dalia Blass Featured on American Bar Association’s VC Law Podcast

      September 27, 2023
    Read More
    Read More
    Credentials

    Credentials

    Education

    • Columbia Law School, J.D., 1999
    • American University, B.A., 1993

    Bar Admissions

    • District of Columbia
    • New York

    Languages

    • Arabic
    Read More
    Related Practices

    Related Practices

    • General Practice
    • Administrative Law
    • Consumer Financial Services
    • Corporate Governance
    • Digital Assets
    • Environmental, Social and Governance (ESG)
    • Financial Services
    • Investment Management
    • Private Equity
    Sullivan & Cromwell LLP Logo

    Sending an e-mail through this web site does not create an attorney-client relationship. You should not send us any information through this web site that you would want treated confidentially.

    Accept
    Sullivan & Cromwell LLP Logo
    • Twitter icon
    • LinkedIn icon
    • RSS Feed icon
    • Podcasts icon
    • Home
    • Contact Us
    • Information Policy Relating to Cookies
    • Privacy Policy
    • California Privacy Policy
    • Website Notice
    • Attorney Advertising Notice
    © 2025 Sullivan & Cromwell LLP