Positioning clients to minimize risk and maximize value in high-stakes situations.

Greg is a founder of Longacre Square Partners, which represents both corporate issuers and platinum investment firms in high-stakes situations. He started the firm with his long-time partner, Dan Zacchei, based on the belief that the most impactful counsel and services are informed by a holistic understanding of public company dynamics and institutional shareholder perspectives. Today, the firm’s 50 professionals serve a diversified client base of leading corporations and global investors, including long-only fund managers, hedge fund managers and financial sponsors.

Since the firm’s founding, Greg has primarily focused on corporate governance matters, earnings cycles and investor days, litigations, regulatory matters, shareholder activism campaigns and strategic transactions. He applies governance acumen, finance expertise and shareholder engagement experience to all of his advisory assignments. In 2026 alone, he advised on Honeywell’s three-way separation, the merger of Paramount and Warner Bros. Discovery, the largest municipal bankruptcy in history and scores of shareholder activism campaigns.

Previously, Greg has been recognized as a top financial public relations consultant to CEOs by Business Insider and a leading advisor to funds by Hedge Fund Alert.

He began his career in Washington, DC in the federal government and, prior to that, earned a BA from the University of Maryland at College Park. He is based out of the firm’s Florida office, while also spending time working from the firm’s New York office.

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Dan advises boards of directors, management teams and senior investment professionals on high-stakes strategy and communications matters. He leads many of Longacre Square’s ongoing corporate mandates and special situations matters including contested and friendly M&A transactions, proxy fights, debt restructurings, governance issues and large-scale crises. He represents a range of public and private companies, including some of the world’s most high-profile brands. His clients also include dozens of institutional asset managers running hedge fund, private equity, credit and debt, and active strategies.

Dan was recently recognized by Insider as one of the top financial public relations professionals to CEOs. Prior to Longacre Square, Dan spent more than a decade at Sloane & Company, where he was President of the Special Situations Group. Dan holds a BA from the College of the Holy Cross. He lives in Westchester with his wife and daughters.

Whit serves as a senior advisor on complex transactions, mergers and acquisitions, restructurings, litigations, and numerous other special situations.

Most recently, he was Co-Chief Executive Officer of Sloane & Company, where he spent more than 25 years and was jointly responsible for day-to-day leadership of the firm while overseeing the financial and crisis communications practice. Whit joined Sloane in 1999 after working at Edelman Financial Worldwide, the financial communications and investor relations division of Edelman Public Relations Worldwide.

Prior to that, he worked in Washington, DC for a government relations and public affairs firm and with the U.S. Senate Sergeant-at-Arms. He is an Advisor to the Public Affairs Communications Program and a member of the Ad/PR Executive Advisory Board of Advisors at the Grady College of Journalism and Mass Communications at the University of Georgia.

Whit holds a BA in political science from Syracuse University.

Kate advises investors and issuers on strategic communications surrounding transformational corporate events and reputational matters. Her experience spans shareholder activism, friendly and hostile M&A, litigation and restructuring, corporate crises and other special situations where effective multi-stakeholder engagement is critical.

Throughout her career, Kate has represented dozens of institutional asset managers running hedge fund, private equity, venture capital and private credit strategies. She partners closely with founders, CEOs and executive teams to develop strategic communications programs that strengthen their firms’ corporate reputations and support capital formation, deal sourcing and talent acquisition strategies.

Prior to joining Longacre Square, Kate was a Senior Vice President at Sloane & Company.  She also previously worked at Prosek Partners and began her career at Edelman in Washington, DC Kate holds a dual BA from the University of Maryland at College Park.

Casie is a Partner at Longacre Square Partners, where she advises a global client base on complex special situations, crisis management and high-stakes corporate matters. She focuses on advising senior leaders, founders and boards of directors of investment managers, financial institutions and public companies. She develops public and private engagement strategies for contested and friendly transactions, activism and corporate governance matters, litigation scenarios and other material events, often in matters shaped by complex policy and regulatory dynamics.

Casie brings more than 15 years of experience advising clients through periods of heightened scrutiny, transformation and change. Her work spans complex transactions, crises and other sensitive situations requiring senior-level judgment and discretion.

Casie previously held senior roles at global firms such as Edelman Smithfield and FGS (f/k/a Sard Verbinnen & Co.).

Amy is a corporate governance and public capital markets expert with over 25 years of experience. She was previously an advisor to Ewing Morris & Co. Investment Partners, an alternative asset manager with both equity and credit strategies, where she spearheaded the fund’s engagement investment opportunities. Prior to that, Amy was CEO of Kingsdale Advisors, a leading shareholder services and advisory firm specializing in strategic and defensive advisory, governance advisory, proxy and voting analytics, and investor communications.

Amy has spent over 15 years in capital markets as an investment banker with global firms including Stifel Financial Corp. (NYSE: SF) and Morgan Stanley (NYSE: MS). She is currently a director of American Hotel Income Properties REIT (TSX: HOT.UN, HOT.U), Keel Infrastructure (NASDAQ/TSX: KEEL),and Metatek-Group Ltd. (TSX: MTEK). She was previously a director at Irish Residential Properties REIT plc (ISE: IRES), Mandalay Resources Corporation (sold to Alkane Resources), Canaccord Genuity Group Inc. (TSX: CF) and Park Lawn Corporation. She also serves on the Investment Committee for Children’s Aid Foundation of Canada.

She holds an MBA and a JD from the University of Toronto.

Joe is a partner at Longacre Square and a co-founder of the firm. He is a senior advisor with more than 15 years of experience counseling public and private companies, boards of directors, senior executives and investment firms on complex special situations and corporate issues.

Joe has particular expertise in shareholder activism and contested situations, with broader experience spanning friendly and hostile M&A, complex litigation and regulatory matters, restructuring and bankruptcy, corporate crises, governance disputes, executive and board transitions and investor communications. His work frequently requires assessing how investors and other key stakeholders will respond to consequential corporate decisions and integrating communications strategy with legal, governance, capital markets and broader business considerations.

Joe has spoken on shareholder activism and corporate governance at 13D Monitor’s Active-Passive Investor Summit and on an American Bankers Association conference panel focused on shareholder activism in the banking sector.

Prior to Longacre Square, Joe spent nearly a decade at Sloane & Company, where he was Managing Director, Special Situations. He previously worked at Brunswick Group.

Joe earned a BS in Foreign Service from Georgetown University and an MA in European and Mediterranean Studies from New York University.

Joe advises boards, senior executive, communications, and public affairs leaders on issues management, crisis communications, public affairs and litigation matters. His experience spans regulatory and policy issues, civil and criminal litigation, operational and workforce crises and other high-stakes situations in which public scrutiny and business risk converge.

Throughout his career, Joe has counseled major public and privately held brands including Accenture, Honeywell and BP, along with foundations, institutions and high net-worth individuals across a broad range of sectors.

Prior to joining Longacre Square, Joe held senior roles at two WPP firms, BCW and H+K Strategies, serving as global client leader for one of BCW’s largest accounts, where he oversaw earned media engagement and issues management while supporting clients through numerous reputational challenges. He also spent several years advising clients for Purple Strategies as well as Austin, Texas based Public Strategies. Earlier in his career, he was Communications Director for then-United States Senator Hillary Rodham Clinton and led communications for Vinson & Elkins. He began his career as a broadcast journalist covering state and local politics and public policy in Houston, Texas, Orlando, Florida and Birmingham, Alabama.

Rebecca is an accomplished communications advisor with 20 years of experience guiding clients through high-stakes, high-visibility situations across the corporate and investor landscape, with a focus on reputational crises and financial situations. She works with corporations, boards, and individual executives alike, building strategic communications programs that stand up to scrutiny from the media, investors, regulators, and other stakeholders. Recent representations include: Figure AI and Brett Adcock, Marriott Vacations, H Partners, George Weiss and Outdoor Holding Company (AMMO).

Prior to joining Longacre Square, Rebecca helped lead Brunswick Group's global corporate activism defense practice, where she developed new approaches to help clients prepare for and respond to activist investors. She also worked at Edelman in its Financial Communications and Special Situations group and at D.F. King where she was a proxy solicitor focused on counseling activist investors launching proxy fights, giving her a distinctive view of these fights from both sides of the table.

Rebecca holds an MBA from NYU's Stern School of Business and a BA from Bucknell University.

Jessica leads Longacre Square's Corporate Governance and Shareholder Engagement practice, advising clients on investor engagement, board governance, strategic transitions and special situations.

Before joining Longacre, Jessica spent seven years at BlackRock as a Director on the Investment Stewardship team, where she covered companies in the Industrials and Materials sectors and oversaw proxy voting and engagement policy for the US and Canada. She also engaged directly with management teams and boards on shareholder activism, board composition, M&A and sustainability topics. She held a similar role at TIAA prior to BlackRock.

Earlier in her career, Jessica worked as a Certified Financial Planner at institutional and boutique asset management firms. She holds a BA from the University of Virginia.

Humza is a Partner and Head of Longacre's London Office, leading the firm's work across EMEA. He provides strategic counsel and advice to senior leaders and boards on high-stakes financial and reputational matters, with particular experience supporting corporates and investors through cross-border M&A, take-privates, corporate carve-outs, shareholder activism, IPOs and restructurings. He also guides clients through crisis situations and complex reputation-focused mandates, including litigations and disputes, cyber breaches, regulatory matters, media investigations and other sensitive issues.

Humza works globally, with particular experience on cross-border mandates spanning the U.K., Middle East, U.S. and Asia.

Humza previously held senior roles at DGA Global (f/k/a Dentons Global Advisors), where he was part of the initial group of Partners to launch the business, and FGS Global (f/k/a Finsbury Glover Hering), where he spent more than 10 years in London and Singapore.

Heath is Vice Chair of the Corporate Governance and Shareholder Engagement Advisory practice. He works alongside outside counsel, financial advisors, and proxy solicitors to advise public company directors, executive leadership teams, and senior investment professionals regarding shareholder activism and proxy contests, contentious M&A, investor relations strategy, and corporate governance priorities.

Prior to Longacre Square, he was a senior member of the Special Situations Research team at Institutional Shareholder Services (ISS), the world’s most influential proxy advisory firm, where he covered hundreds of proxy campaigns over five proxy seasons. While at ISS, Heath evaluated corporate performance and contested situations through direct engagement with CEOs, CFOs, General Counsels, directors, investors, and other market participants – allowing him to deliver firsthand insight to clients regarding proxy advisors’ and shareholders’ approach to assessing governance, contested elections, and M&A, and how best to position a case before recommendations are issued.

Heath also brings fifteen years of buy-side experience at event-driven, value-oriented investment management firms – an investor's vantage point he uses to help clients prepare for a proxy contest, develop their messaging for shareholders, and manage an effective campaign or response.

He earned an MBA from Columbia Business School and a BA in International Affairs from The George Washington University.

Derek leads the firm's financial operations, including accounting, financial planning and analysis, tax, budgeting, forecasting and financial reporting. He partners with the firm's leadership to support strategic decision-making, strengthen financial performance and ensure the continued operational and financial health of the business.

Derek has more than 13 years of experience in accounting and finance. Prior to joining Longacre Square, he held tax and accounting roles at KPMG, HBO, AT&T and Warner Bros. Discovery. He also served as a consultant to Longacre Square, providing tax compliance and advisory services.

Derek is a Certified Public Accountant (CPA) and a graduate of Fordham University.

Ashley advises clients across multiple industries on high-stakes communications and investor relations matters, including shareholder activism campaigns, mergers & acquisitions, crisis management, executive changes and other special situations. Ashley has worked on numerous proxy contests and has significant experience advising corporations on strategic shareholder and media engagement when it comes to such.

Earlier in her career, Ashley held positions of increasing seniority at Profile Advisors and J.P. Morgan Wealth Management, where she specialized in internal and executive communications, corporate positioning and Diversity, Equity & Inclusion initiatives. Ashley holds a degree in Public Relations and Economics from Penn State University.

Leah provides advice to clients on matters relating to crises, litigation, mergers & acquisitions, restructurings, take-private deals, shareholder disputes and other special situations. Leah has significant experience working with corporates on international matters, as well as advising private ultra-HNWIs and public sector organisations, with her litigation and investigations work including large commercial disputes, criminal proceedings and public inquiries.

Across her career in communications, Leah has worked in both agencies and in-house, previously holding positions at FTI Consulting, A&O Shearman and DRD Partnership. Leah has a Law degree from the University of Cambridge, and holds the Certificate in Corporate Finance from the Chartered Institute of Securities and Investments.

Olivia is Creative Director at Longacre Square, where she leads creative and digital strategy across investor relations, transactions, corporate special situations and shareholder activism. She partners with senior leadership and client teams to translate complex, high-stakes objectives into clear, effective design and communications — from concept through execution, across print, digital and video.

Her work includes leading creative and event production for Honeywell Technologies' first Investor Day as a standalone company. She also led creative for Quantinuum's Helios launch event, directing the visual system and in-room experience across presentations, motion assets, stage visuals and collateral. Across these engagements, she builds integrated brand systems, investor websites, presentations, reports and video content that hold up under scrutiny from sophisticated audiences — shareholders, boards and the market.

Prior to Longacre Square, Olivia held in-house creative and digital marketing roles at First Eagle Investments and WisdomTree Investments. She holds a BA in Communications Design from Pace University.

Laura works with clients across many industries, supporting them with issues management, crisis and corporate communications.

Before joining Longacre Square, Laura was with Burson where she focused on crisis communications, corporate communications, public affairs, internal communications and campaign coordination.

Laura is certified by the Emergency Management Institute in the Incident Command System, ICS-100 and has undergone National Transportation Safety Board training for Managing Communications Following an Aircraft Accident or Incident. She has prepared for and managed incidents involving manufacturing plant closures and layoffs, cybersecurity, automotive and ORV recalls, workplace injuries and healthcare provider/payor disruption.

A graduate of The University of Texas at Austin, Laura majored in public relations with a minor in business foundations.

Bela provides counsel to public companies and investment firms on corporate governance, shareholder activism and other complex special situations. Bela has extensive experience advising investment managers in connection with proxy contests and other activist campaigns, including developing messaging materials, assessing companies’ governance, financial and strategic vulnerabilities, and preparing clients for engagement with boards of directors, institutional investors, proxy advisory firms and the media.

On the corporate side, Bela advises public companies on shareholder activism preparedness and response, as well as ongoing shareholder engagement and corporate governance matters, including board composition and refreshment. Beyond shareholder activism, Bela advises clients on crisis and special situations, developing communications strategies and messaging to help organizations navigate material events and rapidly evolving circumstances. She also works with investment firms on capital raising and investor communications.

Bela previously worked as a journalist covering institutional investment at MandateWire, a Financial Times publication. She has worked with the founding partners of Longacre Square since 2020 and previously held positions of increasing seniority at Profile Advisors.

Jonathan oversees operational strategy at Longacre by designing scalable processes, optimizing the firm's operations and supporting strategic growth initiatives. He works with firm leadership to define and execute strategic initiatives that support Longacre's long-term success.

Jonathan brings more than 12 years of consulting experience leading strategic transformation, business analysis and product initiatives across healthcare, life sciences and financial services organizations. His experience delivering complex initiatives informs his approach to building efficient, scalable organizations.

Jonathan holds a Master’s Degree from the NYU Graduate School of Arts & Science and is a Certified Business Analysis Professional (CBAP) through the International Institute of Business Analysis.

Andy advises clients on public affairs, corporate governance and strategic communications matters, with experience spanning capital markets, media and government. He also works with investment fund managers on strategic media relations programs.

Earlier in his career, Andy was at Kingsdale Advisors, a shareholder services and advisory firm, where he led communication strategies for shareholder activism campaigns, mergers and acquisitions and other special situations. Andy also spent several years as a journalist, including for Yahoo Canada News, covering major Canadian news stories.

Most recently, before joining Longacre, Andy served as Principal Writer & Executive Director of Priority Planning at the Office of the Premier of Ontario.

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Daniel advises public companies on investor relations, capital markets communications, and shareholder engagement. He brings more than a decade of experience across public equities and leads valuation and financial analysis for the firm's clients. Dan works with companies through IPOs, M&A, and other transactions, helping them communicate their strategy effectively to the market.

Prior to joining Longacre Square, Dan spent several years on the buy-side, most recently as a Senior Analyst at Argosy-Lionbridge Management, and previously as an Analyst at Resolution Capital. He began his career in equity research at Piper Sandler, where he covered U.S. REITs. Dan holds a BS in Business and Economics from Skidmore College.

Miller advises clients on high-stakes communications and investor relations matters across crises, mergers & acquisitions, shareholder activism campaigns, and other special situations. She has significant experience advising on proxy contests, with a focus on materials development, strategic positioning, and proxy advisory firm engagement for both issuers and investors.

Prior to joining Longacre Square, Miller spent four years on the special situations team at Sloane & Company. She holds a BA in Journalism from the University of North Carolina at Chapel Hill.