Whether you reach out by email, phone or use the Request Information form, your first conversation with ROI Corp will be with one of our two partners, Gary Rayberg or Denis Mezheritskiy. Business owners or active buyers have our highest respect and we want you to experience that from the very beginning.
Additionally, since you can’t be expected to sort through the bios below in detail, this conversation will allow us to accurately assess your needs so we can introduce you to the team member(s) who are best suited to serve you. After meeting, we will be happy to provide you with contact information to speak with some of our former clients. Most of our new clients come from referrals!

Gary and his wife Lisa have three children and currently split their time between Boston’s south shore and the lakes region of NH.


She began her career as a Real Estate Cold Caller, where she developed excellent communication skills and the ability to connect with potential clients effectively. After two years, she transitioned into an Office Administrator role, where she handled daily operations, managed schedules, maintained records, and supported real estate teams to ensure smooth and efficient workflows.
Combining her educational background with her real estate experience, she demonstrates professionalism, adaptability, and attention to detail in every task, making her a reliable and results-driven professional in any team environment.
Marketing Coordinator Employment Opportunity


Having sold the trucking company (using ROI Business Brokers) Tom brings this vast experience to his current career as a Business Broker. He specializes in transportation and distribution companies. Tom also works with other types of businesses such as Manufacturing and Service creating long term relationships with the owners and sharing his personal experience of having successfully created, and followed through with, an exit strategy leading up to successfully selling his business.

Don brings a wealth of practical, operational and technical knowledge to any deal. He can empathize with business buyers and sellers, and analyze how to best help them achieve their goals.
Don is a graduate of UMASS Amherst, Bachelor of Business Administration. He has held several leadership positions in his business community, and is also active in his local community. He lives in Woburn with his wife of 30 years, Carolyn. They have 3 daughters and 1 son in law. He enjoys walking, fishing, and the ocean

Dan brings a unique combination of corporate know-how coupled with a deep understanding of the challenges distinct to starting and growing a fast-moving small business. Because of his entrepreneurial experience and successful exit, Dan brings vast expertise to those contemplating a business sale or transition.
Dan graduated from Boston College and earned a Masters of Business Administration from New York University. He has served on the Boards of Good Sports and the Northampton Little League. Currently he volunteers for Catholic Charities of Springfield and the Western MA Food Bank. Dan and his wife Priscilla have 2 children and live in Northampton, MA.

Earlier in his career, Joe was the founder and president of a residential real estate company. As a real estate broker, Joe trained and motivated his salespeople and engaged in a variety of transactions. Joe graduated from the Boston College School of Management and participated in several fund raising campaigns for the school. He was a candidate for State Representative, Chairman of the Bylaws Committee of Middleboro and Chairman of the Ethics Committee of the South Shore Board of Realtors. He was also active for six years in the headquarters administration of the U.S. Military Police. Joe resides in Hingham.

In 2017, The Speaker of the NH House appointed Peter as a Commissioner to the Lakeshore Redevelopment Planning Commission charged with facilitating one of the largest transfers of state-owned property to the private sector in the state's history. Peter has been married for 33 years to his wife Sharon and has two adult children.

Joel Nimar is actively involved in his community, co-founding a branch of a food pantry in Concord and Maynard, MA, while serving as its vice president and involved in development and governance at a historic estate and cultural center in Falmouth, MA. He currently serves as the treasurer of a nonprofit theatre company.
Joel has been married for 36 years and has two adult children. When not working, he enjoys being at the beach with friends and family. He is an active tennis player and golfer and enjoys cycling on Massachusetts rail trails.
“ I get great satisfaction from helping others figure out their long-term goals and helping them achieve them.”
I joined ROI because of their great reputation in New England and the breadth of expertise they have in industries like yours. They have systems in place to understand and maximize the value of your organization. Call me, and together, we can be true partners.

