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Meet the Team

Licensed Broker | Owner
Lisa Tenneson Licensed Broker/Owner since 2010. Lisa brings with her a strong presence from New Jersey where she was born and raised and also Downstate where she stayed with family for her summers until she relocated to Middleburgh NY in 2007. "I LOVE WHERE I LIVE AND WANT TO SHARE IT WITH EVERYONE". The upstate area of NY is one of the most magical places on earth. Because of her connections Lisa services a wide area of NY customer satisfaction is the number 1 goal. Honest, Hardworking, fun loving and driven are just a few of the attributes that her clients say she has. If your looking to buy or sell in N.Y. she is Happy to help. Lisa has 25 years of customer service experience and it shows. Relationships are the key you may come in as a client but you will walk out a friend....
Licensed real estate sales person
Bill was born and raised in Blairstown N.J. until he hit High school and at that time his mother decided to move the family to Upstate N.Y. Bill found he enjoyed the “COUNTRY” lifestyle and started Hunting, fishing, snowmobiling, quadding and all that the outdoors offered to him. Bill graduated from Greenville N.Y. high school and went off to college in Ohio to pursue a career in the automotive industry although he enjoys doing this on the side or as a hobby, he furthered himself by getting a CDL license. And going on the road. This line of work has had him traveling in many different states working but mostly in NYC and N.J. (“I am very familiar with all areas of NY and N.J. and enjoy working all over the state”) Say’s Bill. During Bill’s journey in life, he acquired his real estate license in N.Y. and Joined his Mother’s Brokerage where he still woks side by side with he...
Licensed Real Estate sales person
Kellen grew up near the Finger Lakes Region and attended college in Alfred, NY and Boston, MA. She loves to travel, and has visited Turkey, Greece, France, The Netherlands, Scotland and Belgium. Kellen lived in London, England for a year, a city that is very close to her heart. She loves to explore and discover new places. Kellen also lived in Boston, MA for two years, and worked as the Event Manager at a restaurant near MIT. Kellen grew up around home restoration and renovation projects. She helped flip a house (with her dad) when she was in high school. She’s worked on the disassembly, moving and reassembly of six structures in Schoharie County recently and is currently renovating her own home in Middleburgh. Now she has joined the Four-Star team and she is living out one of her lifelong dreams of selling homes. Kellen is driven, honest, hardworking and simply enjoys helping ...
Office Secretary
Hi, my name is Chelsea McGrath formerly Costello. I was born and raised in Middleburgh, NY. Back in 2013 I made the decision to move to CT. A year after moving there I met my now husband. In May of 2020 we welcomed our first child, a girl, into the world. In September of 2021, my husband and I decided to sell our CT home and move back to Schoharie County to be closer to family. We wanted a simpler, better up bringing for our children and I knew returning home was the best decision for our growing family. I left my career in Healthcare in CT to become a full time stay at home Mom but soon realized I missed having the work/life balance. When I was moving back home, I of course worked with Lisa at Four Star and the experience was one of the best and we quickly became friends. Lisa then approached me about an office secretary position she had available, and I quickly jumped on it. Fou...
Office Bookkeeper
Sharon joined Four Star Realty Group Inc in 2018 ....... She holds an Associate’s degree in Accounting. She graduated top of her class with highest honors in 1999 from Bryant & Stratton College. After graduating she opened her own Bookkeeping business where she handles 30 diversified businesses to this day. She was a financial advisor & board member for a nonprofit from 2001 to 2021. She holds a School Tax Collector title for 2 local school districts since 2003. She has been employed at a CPA office during tax season since 2017. Sharon’s' financial knowledge & strength in detail helps her keep all of Four-Star Realty Group Inc. complex financials in order. Her hobbies include Gardening, Crafts & Antiques. ...
Office Admin
Cherie is a lifelong resident of Middleburgh N.Y. and LOVES her community. Cherie has spent her life helping others she spent years working in the Local Pharmacy. Sadly, When the Middleburgh Pharmacy closed Cherie went on to work at the ARC and has been there for 15 years. Cherie’s love for helping people is OUTSTANDING. While she has her Fulltime career, she has also worked part time for Four Star Realty Group for 5 years now. MS Cherie is our weekend administrative office person and works very hard to help all of our walk in clientele you will always be greeted with a smile and a can do attitude if you call or stop in Four Star. Feel free to stop in and see her she will gladly make you a cup of coffee share all she knows and loves about Schoharie County. ...