David G. Thunhorst

Rodney Ganske is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Antitrust. Rodney, who practices law in Atlanta, Georgia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rodney is held by other top lawyers in the same geographic and legal practice area.

Dan Diffley serves as co-chair of Alston & Bird’s Litigation & Trial Practice Group. A courtroom veteran, he focuses his practice on complex commercial litigation, including class action defense, insurance matters, products liability, professional malpractice, and other commercial disputes. As lead trial counsel, he has extensive experience representing Fortune 500 companies at trial, arbitration, and every other facet of commercial litigation. In nearly 20 years of practice, he...

Wes Achey is a member of Alston & Bird’s Intellectual Property Litigation Team. Wes’s practice includes all areas of intellectual property litigation and counseling, with a particular emphasis on patent litigation and enforcement. He has represented clients in patent infringement lawsuits in federal district courts across the United States, including cases involving telecommunications, computer software and various mechanical devices. He is a member of the Georgia Bar and is a...

David Chaiken is an Atlanta-based former federal prosecutor and a co-founder of Chaiken Ghali LLP, a national boutique white collar litigation and government investigations law firm. He has more than 20 years of experience representing companies and individuals in financial fraud and securities litigation matters, including: ⚫️ white collar criminal cases (from indictment through trial and appeal) ⚫️ grand jury investigations (including subpoenas for documents and testimony) ⚫️ government inv...

Jason Goode guides REITs and real estate funds through their public and private securities offerings and M&A and other strategic transactions. They rely on him for advice on corporate governance and complex regulatory matters. Jason’s involvement in industry organizations provides awareness of emerging trends and makes him a frequent speaker on related topics. For more than 20 years, public and private companies have relied on Jason for fund formation, M&A, public securities off...

Of Counsel in the Healthcare and Food and Drug practice groups of Arnall Golden Gregory LLP. My practice focuses on regulatory and compliance issues, both in the proactive structuring of arrangements, policies, and procedures, and the reactive responding to government audits, investigations and litigation. I advise clients in the areas of federal and state healthcare regulatory compliance, compliance program audits, fraud and abuse issues, FDA regulatory compliance, Medicare and Medicaid cond...

More than ever, companies face a constant evolution of health and welfare regulations for their employee benefit plans. Amy Heppner’s Fortune 500 clients rely on her experience and sound guidance on remaining compliant. Counsel in the Employee Benefits & Executive Compensation Group, Amy provides practical guidance to clients on how to comply with the myriad federal and state laws that impact employer-sponsored health and welfare benefit plans.

Greg Mast specializes in complex insurance coverage and business litigation for domestic and international insurers. Having spent time as both a law clerk and in-house counsel, Greg has earned a reputation as a respected advocate inside and outside of the courtroom. In addition to his nationwide practice, Greg also heads up Fields Howell’s Philadelphia office. As a foundation for his legal practice, Greg spent two years working in the U.S. House of Representatives, where his legislative...

Dawn N. Pettigrew is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Dawn N., who practices law in Atlanta, Georgia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dawn N. is held by other top lawyers in the same geographic and legal practice area.

Pat Tyson is a partner with Constangy. He has been with the firm since May 1986, after a 13-year career at the U.S. Department of Labor. He began his career in the Department’s Solicitor’s Office, where he served as an attorney representing the Occupational Safety and Health Administration (OSHA). He later worked for OSHA, where he held the positions of Director of Compliance, Deputy Assistant Secretary and served two terms as the Acting Assistant Secretary for the Agency. Mr. Tys...