Tom Johnson is Chief Executive Officer of H/Advisors Abernathy, where he is leading a growth trajectory rooted in the firm’s powerful heritage as a trusted partner to leading organizations and executives in their most critical moments.
Your Partner in Communication

Our Approach
H/Advisors Abernathy is your partner in engaging with key stakeholders on complex issues.
With strategic communications experts across disciplines and around the world, we work closely with clients to build and preserve value, seize opportunities and solve problems in today’s dynamic and interconnected world.
News

Developing a PE Crisis Protocol: Essential Questions to Ask Your Portfolio Company
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Heard in the (Virtual) Halls – This proxy season, don't take your success for granted
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Sazeracs and Speculation: What We Heard at the 35th Annual Tulane Corporate Law Institute
Read moreLeadership

Carina Davidson
President
Carina Davidson serves as H/Advisors Abernathy’s President, based in the firm's New York office. Carina counsels companies of all sizes across a broad range of sectors on complex communications matters. She has significant expertise helping clients manage their reputations and develop strategies to reach their core audiences.

Peter Lee
Chief Financial Officer
Peter Lee is the Chief Financial Officer of H/Advisors Abernathy, where he is responsible for all of the firm’s financial functions, including accounting, financial planning, forecasting, client accounting and various financial analyses and reporting. He also oversees and manages the firm’s information technology. His career spans more than 25 years of experience in financial management, business leadership and corporate strategy in various industries, including strategic communications, marketing and advertising, manufacturing, banking and logistics.

Chuck Dohrenwend
Managing Director
Chuck Dohrenwend primarily works with private equity investment professionals and portfolio company leadership teams to optimize their investment and value-creation strategies through strategic communications. He collaborates with executive and communications teams to develop and implement highly effective communications programs for a range of stakeholders, primarily during pivotal events such as mergers and acquisitions, leadership transitions, crises, restructurings, investments and divestments. He also works with publicly traded companies on M&A, crisis management, restructurings and executive transitions. Additionally, Chuck is a member of H/Advisors Abernathy’s Leadership Team and helps ensure that the firm’s operations and teams align with the firm’s client-centric growth strategy.

Sydney Isaacs
Managing Director, Head of Houston Office
Sydney Isaacs provides strategic communications counsel to companies during times of change, including mergers and acquisitions, restructurings, crises and activist shareholder engagements. Sydney’s work supports companies’ valuations and reputations through a combination of financial communications and PR strategies. She has particularly deep experience advising companies across the energy sector, providing support to clients on communications related to their diverse efforts to participate in and respond to the energy transition.

Kate Schneiderman
Managing Director, Chief of Staff
Kate Schneiderman is a member of H/Advisors Abernathy’s Leadership Team and serves as a Managing Director and Chief of Staff to the CEO and President. As Chief of Staff, she plays a leading role in developing and implementing the firm’s growth strategy.