Thomas C. "Tom" O'Konski

Daniel V. McCaughey is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Litigation - Regulatory Enforcement (SEC, Telecom, Energy). Daniel V. practices law in Boston, Massachusetts Best Lawyers has recognized Daniel V. McCaughey since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Daniel V. McCaughey is held by o...

Thomas has over 20 years of experience representing industry leaders in life sciences. He is internationally recognized for his experience in creating, implementing and monetizing effective patent strategies. He represents public and private companies, investors and academic institutions in the life sciences arena. His portfolio of life sciences companies spans diagnostics, medical devices, life science tools and technology platforms, genomics and therapeutics. Before joining Sullivan, Tom wa...

Andrew L. Eisenberg is a partner in the Boston office of Constangy. His practice encompasses all aspects of labor law, labor relations and employment law. Mr. Eisenberg has extensive experience assisting the firm's clients in responding to union organizing campaigns, negotiating and advising clients with respect to the administration of collective bargaining agreements and representing clients in grievance and arbitration proceedings. He also assists clients with respect to the full range of ...

Jennifer L . Chunias is a lawyer recognized by Best Lawyers in the practice area of Criminal Defense: White-Collar. Jennifer L . practices law in Boston, Massachusetts Best Lawyers has recognized Jennifer L . Chunias since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jennifer L . Chunias is held by other lawyers.

Peter C. Erichsen is a lawyer recognized by Best Lawyers in the practice area of Nonprofit / Charities Law. Peter C. practices law in Boston, Massachusetts Best Lawyers has recognized Peter C. Erichsen since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Peter C. Erichsen is held by other lawyers.

Howard is the leader of the firm’s Capital Markets Group. He specializes in counseling both public and private companies involved in equity and debt financings, including IPOs and follow-on public offerings as well as private placements, and regularly advises clients regarding ongoing corporate governance and disclosure matters, stock exchange listing standards and Sarbanes-Oxley Act and Dodd-Frank Act compliance. Howard advises companies in a number of industries including real estate ...

A co-leader of the firm's Mergers & Acquisitions Practice, Mary-Laura Greely has extensive experience as a transactional lawyer in mergers and acquisitions involving private and public companies, private equity, venture capital, and general corporate representation. She advises companies on strategic acquisitions and dispositions of companies, assets and divisions, significant debt and equity financings, management buy-outs, corporate governance and succession planning, employment, intell...

Christopher Parkerson is a lawyer recognized by Best Lawyers in the practice areas of Mass Tort Litigation / Class Actions - Defendants and Personal Injury Litigation - Defendants. Christopher practices law in Boston, Massachusetts Best Lawyers has recognized Christopher Parkerson since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Christopher Parke...

Michael Goldberg’s clients look to him for advice on difficult and complex restructuring issues, where he is known for his creative approaches to the solution of financial problems. Mike specializes in the areas of business bankruptcy, financial restructuring and business transactions as well as commercial real estate transactions. In his over 25 years of practice, Mike has represented a broad spectrum of clients in insolvency matters, including debtors, creditors’ committees, tru...

Rob Fisher is a Chambers USA ranked trial lawyer and former Assistant United States Attorney who represents clients facing bet-the-company internal and government investigations or charges brought by agencies such as the Department of Justice, the Securities and Exchange Commission (SEC), the Financial Industry Regulatory Authority (FINRA), and the various state attorneys general. He serves as practice group leader for the firm’s Government Investigations & White Collar Defense prac...