“Seth has done my taxes for many years. He is someone you can look to, to get the job done right as well as provide you with accurate advice. In addition, he always returns communications in a timely manner and gives clear and concise answers as needed. I would recommend him if you are looking for someone to trust with your taxes.” – Neil M.

Seth Anderson

Tax Consultant

Seth is responsible for preparing personal and business tax returns, tax planning and any financial consulting that clients might need. He is currently the coordinator of the UVM Tax Schools which provides continuing education to about 400 tax professionals. He has written several sections of The National Income Tax Workbook and is an instructor at the UVM Tax Schools as well as a guest lecturer for a UVM undergraduate class. Seth is a past President of the VT Tax Practitioner’s Association, and is on a committee that meets once a year with Congress’ Joint Committee on Taxation (JCT) as well as the IRS in Washington D.C. He graduated from Bryant University with a concentration in accounting and was a Captain in the US Army. He is licensed as an Enrolled Agent and a member of the National Associations of Tax Preparers (NATP), VT Tax Practitioners Association (VTPA) and the Land Grant University Tax Education Foundation. Seth, originally from Mendon, VT currently resides in Charlotte, VT with his wife Sera, son Caden, and dog Gia.

Deena Miller

Tax Accountant

Deena works primarily during tax season preparing individual tax returns, 1099s and W-2s. She is responsible for preparing tax returns, communicating with clients and gathering additional information to finish tax returns. She is a member of the Vermont Tax Practitioner Association. Deena resides in Ferrisburgh, VT with her husband Dave, daughters Leah and Ally, and son Ethan.

Adam Marchesseault

Adam Marchesseault

Tax Accountant

Adam Marchesseault is an Enrolled Agent and tax preparer at Birch Tree Tax. He graduated from the University of Vermont in 2016 with a degree in Economics, founded a local company, and worked as a private consultant and researcher for Vermont-based nonprofits. In early 2021, Adam joined the Birch Tree team, specializing in the preparation of individual and small business returns. After attaining his EA designation in late 2021, his responsibilities have grown to include communications with the IRS and state agencies. Outside of work, Adam enjoys hiking, traveling, and writing, and has a passion for world history.

Carissa Ethier headshot

Carissa Ethier

Assistant Tax Accountant

Carissa Ethier joined Birch Tree Tax’s team as an Assistant Tax Accountant in 2023. She is learning the ins and outs of tax preparation from Adam, Deena, and Seth. Her responsibilities consist of initial data input and more complex tax return preparation. Carissa hails from Boston and now currently resides in Burlington. When she is not completing tax returns, Carissa also works at Code Style Club, where she has been an accomplished hair stylist for 8 years. In her free time, Carissa enjoys traveling, fishing, gardening, and photography.

Natalie Dedon

Natalie Dedon

Operations Manager

As the Operations Manager at Birch Tree Tax, Natalie communicates with clients, processes client materials, and functions as in-house operations support. Prior to her position here, Natalie has worked in all sectors relating to plants, from landscaping to genetic research.

Peter Fisher headshot

Peter Fisher

Data Input Specialist

Peter will join our team as our Data Input Specialist for the 2026 tax season. In the office, he is responsible for the initial stages of tax return preparation, data input, and will support our office manager with client communication. Peter graduated in 2021 from Hamilton College with a degree in Physics and is currently pursuing his Master’s degree in Electrical and Electronics Engineering at the University of Vermont. Outside of the office, Peter likes to ski, play guitar, and is an avid rock climber.