Our Agents

Christopher Gross

Christopher Gross

Broker/Owner · Hancock Office

Chris Gross is the founder and owner/broker of Upper Delaware Real Estate. Chris brings unmatched experience of over *35 years* in the real estate industry and nearly impeccable customer reviews. In addition, Chris is an expert in the field of natural resources, including Forestry, and holds an AAS degree in Natural Resource Conservation from the State University of New York. He also has significant expertise in land development and planning, Bluestone and Bluestone mining, natural gas development, solar development, building renovation, surveying and timber harvesting. He has been involved in all aspects of real estate brokerage, including residential, recreational, land, commercial, industrial and investment/income property. Chris is more than qualified to cater to your real estate needs, and adds the personal care and attention that makes Upper Delaware Real Estate the place that it is.

Joseph Gross, MBA

Joseph Gross, MBA

Associate Real Estate Broker · Hancock Office

Joe is an Associate Real Estate Broker in New York and Pennsylvania and is one of the very few agents in either state with an MBA (Master's degree in Business). Joe is also an FAA-licensed commercial drone pilot and professional real estate photographer! There are few agents in NY or PA who carry the same level of professionalism and financial/industry knowledge. Outside of his real estate expertise, Joe is also an assistant baseball coach for the NYS Champion Deposit/Hancock Eagles baseball team, a finisher at IRONMAN Lake Placid 2026, and a 2-time marathon finisher. Give Joe a call today for your real estate needs!

Barry Jones

Barry Jones

Licensed Real Estate Salesperson · Downsville Office

Barry Jones has worked as a licensed salesperson in our Downsville Branch office since 2018. Although a 35-year resident of Downsville, Barry began visiting the area on summer vacations with his family in 1956. Before real estate, Barry worked as Director of Field Operations for Ron Mullinex Land Surveying for 32 years and now brings that expertise into his real estate practice, which is a great asset to buyers and sellers, as well as the entire team at UDRE.

Mary-joe MacRabie

Mary-joe MacRabie

Licensed Real Estate Salesperson - NY & PA · Downsville Office

Mary-joe joined our Downsville office in 2005, making her the most experienced agent with Upper Delaware. Mary-joe's customer service skills combined with her years of experience make her a very valuable member of our team. She knows the Walton, Downsville, Sidney, and Unadilla areas like no other. No matter how busy her day is, just give her a call and she will make time for you.

Sarah Gross

Sarah Gross

Licensed Real Estate Salesperson · Hancock Office

Sarah became licensed in 2026 and hit the ground running. Currently a softball standout at St. John Fisher University pursuing her undergraduate degree, Sarah has already begun to excel in real estate. She closed her first deal in the Summer of 2026 before starting her sophomore year of college.

Nicholas Gross

Nicholas Gross

Licensed Real Estate Salesperson · Albany Area

Nick Gross became a licensed real estate salesperson with Upper Delaware Real Estate in 2025 after years of experience in digital media. Nick is an FAA-licensed commercial drone pilot and is currently the Media Director with the St. Pius X Parish in Albany, NY. On top of that, he is a marathon finisher! With Upper Delaware Real Estate's expanding reach, Nick is able to help us cover Northern Delaware County, Schoharie County, Albany County, and even Greene County. Nick's years of handling digital media can help you get your property looking top-notch when it's time to sell!

Bonnie Elmore

Bonnie Elmore

Licensed Real Estate Salesperson - NY & PA · Hancock Office

Bonnie has been with Upper Delaware since 2016, being a crucial part of the Hancock office. Pennsylvania is her specialty, but still has exceptional knowledge of Hancock and the surrounding areas. Give Bonnie a call and she will surely help you beyond your expectations!

Tara D’Addezio

Tara D’Addezio

Licensed Real Estate Salesperson · Downsville Office

Tara has lived in Walton for over 30 years and has over 14 years of banking, finance, customer service and lending experience. She currently works as an office manager in Pennsylvania and is excited to add real estate to her list of accomplishments. Tara has joined our staff in the Downsville office part-time in 2018 with a passion for service in upstate New York and she is ready to help with your home buying and selling needs. As a proud sales agent for Upper Delaware Real Estate, Tara carries the values of hard work, integrity and outstanding client service into everything she does.

Jim Shields (July 29, 1944 – March 30, 2023)

Jim Shields (July 29, 1944 – March 30, 2023)

Office Manager · Downsville Office

Jim Shields was a Downsville native and had been a licensed real estate salesman and broker for over 40 years. He was an Associate Broker and Office Manager at the Downsville Branch Office of Upper Delaware Real Estate, where he specialized in overseeing agent production and public relations. Jim participated in special projects, such as the Dollar General deals in Walton and Downsville.