Our Team

Mark Griffin, CCIM, CM&AA

Managing Principal

Mark Griffin possesses over 20 years of experience in commercial investment brokerage, business mergers and acquisitions, and land development. Mr. Griffin’s professional designations include Certified Merger & Acquisition Advisor (CM&AA) and Certified Commercial Investment Member (CCIM). Currently, Mr. Griffin serves as the President of Sperry CGA-Griffin Partners, and he is also the founder of Topsail Capital Advisors. In his professional career, he works closely with private equity groups, family offices, and institutional investors. Mr. Griffin is committed to giving back to his community and actively participates in non-profits and charitable organizations in South Carolina.

Mark Griffin
John Kawalchuk

John Kawalchuk

Senior Analyst

John is a Senior Analyst specializing in financial modeling and analysis support. His primary responsibilities include preparing sell-side CIM (Confidential Information Memorandum) packages, conducting industry-specific due diligence, and formulating recommendations for management. He possesses a strong aptitude for working closely with clients and advisors throughout the sell or acquisition processes. John’s educational background includes a BS in Financial Management with a minor in accounting from Clemson University.

Kevin Whitehead

Senior Commercial Investments Advisor

Kevin is a highly experienced Real Estate Manager with more than 20 years of expertise in institutional commercial real estate. His vast knowledge encompasses various areas, including site identification, development, property management, and lease renegotiation. With a specialization in single-tenant and multi-tenant retail transactions, Kevin has successfully collaborated with both buyers and sellers. He obtained a degree in Public Relations from the University of Alabama, with a minor in Marketing. Kevin’s proficiency extends to net lease properties and site selection for preferred developers and concepts, particularly in the southeast region.

Kevin Whitehead
Reese Wilson

Reese Wilson

Financial Analyst

Reese is a highly skilled professional with a background as an SBA loan associate and a proud alumnus of Clemson University. His experience in evaluating businesses for SBA financing has been greatly enhanced by his time in these roles. Reese’s exceptional abilities in curating and distributing financial documents, as well as securing approval from reviewing entities, have set him apart during his tenure with the SBA. His strong relationship-building and communication skills have also played a vital role in de-escalating challenging situations. Reese’s outstanding communication abilities have been acknowledged by the SBA, consistently earning him a place in CPA affiliate call pools.

William Lawyer

Leveraged Financial Advisor

William is an accomplished Equity Advisor, offering valuable advisory services to clients involved in sell-side deals. His role encompasses crucial responsibilities such as capital restructure, deal underwriting, and post-integration advisory. With a specialization in 1031 exchanges, William has honed his expertise in real estate investment. He remains dedicated to professional growth and continuously stays updated on industry trends by actively participating in various association memberships. William’s educational background includes a Bachelor of Science in Real Estate Investment & Finance from the prestigious Schack Institute of Real Estate at New York University.

William Lawyer
Jessica Griffin

Jessica Griffin

Client Relations Manager

Jessica holds the position of Transaction and Client Relations Manager for the TCA team, where she plays a pivotal role in overseeing various aspects of transactions and client relationships. Her responsibilities include managing the delivery of valuations, coordinating due diligence activities, and scheduling meetings between sell and buy side advisors. Jessica actively supports Advisors and Analysts by assisting with financial modeling, preparing SIM (Selling Memorandum) packages, and managing client receivables. Her contributions are instrumental in ensuring a seamless and efficient transaction process. Jessica is equipped with a Bachelor of Science degree from Clemson University, which adds to her expertise in the field.