Apex brings real world experience and intimate knowledge of the dental insurance and auditing fields with a combined experience of over 30 years with a team comprised of dental insurance specialists, experienced auditors, insurance billers and a practicing dentist who chairs our Dental Advisory Committee (DAC).

Joseph Lefkowitz, Partner


Joseph has a combined 14 years of experience in the fields of education, utility and business management. He is uniquely suited as a business consultant, with experience as a franchisee of a telecommunications franchise and as a franchise broker. Joseph has honed his business acumen through leadership roles in a consulting firm with 200 clients. He is well-versed in managing account representative from initial sales through closings and contract negotiation, drawing upon his communication skills to seamlessly explain complex ideas and concepts to both client and co-worker alike.

Joseph was born in Miami Beach, FL and although he currently lives in Baltimore with his wife and children, he still loves the “Heat”. Being raised by a New Yorker, his heart still remains with the Yankees, and Giants.

Gavi Cohn, Partner


Gavi has dedicated the last 15 years to business development at all levels; he has meaningfully applied the knowledge gleaned through his University of Maryland MBA to enhance his professional roles in both the profit and non-profit sectors. Prior to co-founding Apex, Gavi worked in sales, marketing and operations management in the insurance industry, one in which he managed his own independent agency. Gavi now focuses his marketing and management experience towards educating and servicing the needs of dental clients to maximize profit. Gavi is an educated, professional consultant whose refined skill set strengthens the negotiating power of Team Apex.

Gavi is a born and bred Baltimorean who now raises his five children with his wife in Baltimore, surrounded by homegrown extended family. He enjoys music, performing as both a recording artist and wedding singer, and is a Ravens and O’s fan.

Harold Gornbein, Partner


Harold has over 25 years of experience within the insurance industry. Considered an industry
insider, he’s worked in sales and account management for Ameritas, Dental Benefit Providers, PacifiCare Health Systems, and United Concordia, as well as manage his own insurance agency. His wealth of industry knowledge, experience, and relationships affords Apex clients with unparalleled strategic guidance and insight.

He resides in Baltimore, Maryland with his wife and five children. Harold enjoys sports, time
with his family and volunteering in his community.