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Hudson Staff

Debbie Trowbridge

Office Manager

Debbie has been with the firm since September of 2000 and holds the position of Office Manager of our Hudson Office as well as being the Financial Advisor Assistant there as well.  

She has over 30 yrs of administrative support experience, with a concentration in Human Resources and Bookkeeping.  Debbie is a life-long resident of Columbia County and resides there with her husband Bob.  They have two sons and various rescue pets.  

Besides her duties with the firm, she is a also an approved foster for rescue dogs and cats from Perfect Pets Rescue, and a Certified Interior Decorator with a weekly column appearing in The Register Star, The Catskill Daily Mail, Chatham Courier and Windham Journal.

To contact Debbie, please call (518) 828-4616 or send an email to

Patricia A. Brennan

Senior Accountant

Patty has experience conducting audits of a wide variety of municipalities, including OMB Circular A-133 , and audits of various non-profits.   Patty's focus is on compilations of towns, villages, cities; reviews for small to medium businesses, and  personal and corporate taxes.  

She is a graduate of The Sage Colleges, Albany New York.  She has been with the firm since 2007.  Her prior experience includes audits for Loudon County, Virginia and audits administrated by Center of Medicare and Medicaid Services.

To contact Patricia, please call (518) 828-4616 or send an email to

Sean R. Bannen

Senior Accountant

Sean handles diverse accounting tasks in relation to auditing and taxes. His experience with small to medium businesses, not-for-profits and various municipal entities brings great value to the Firm.  

He currently lives in the Village of Saugerties in Ulster County, New York. Sean graduated from Siena College with a Bachelors Degree in Accounting, and is also a graduate of SUNY Ulster with Associates Degree in Business Administration. Sean has been with the firm since 2009

He previously worked at Ulster County Personnel Department for 4 years caring for financial control and related departmental responsibilities.

To contact Sean, please call (518) 828-4616 or send an email to

Maritza Holt


Maritza graduated from the Fundacion Universidad Central in Bogota Colombia with a Degree in Public Accounting, and brings international experience to our Firm, having started with us in 2000.  

In Colombia Maritza provided support to a number of different companies, including a large export company where she was an Accounting Manager for ten years.  

Maritza handles a full range of bookkeeping responsibilities including general ledger, payroll and payroll tax returns, sales, income and excise tax.

Maritza likes to travel and enjoys outdoor activities, living locally in Columbia County with her husband Lester.

To contact Maritza, please call (518) 828-4616 or send an email to

Tiffany Swart


Tiffany started with the Firm as an intern and was hired full-time immediately upon graduation. She graduated from Columbia Greene Community College with a primary focus in accounting. Tiffany performs various bookkeeping services which includes sales tax and payroll processing. She also assists with municipal accounting. In her free time, she enjoys hiking, fishing, cycling, and other outdoor activities.

To contact Maritza, please call (518) 828-4616 or send an email to

Sarah Montague

Bookkeeping and Administrative Support

Sarah has worked with us in our Hudson office since 1985.  She splits her time between clerical support staff services and bookkeeping services.  She handles the billing and accounts receivable for the Firm; and also works with Payroll Tax, Sales Tax & general ledger processing for clients.

A native of Columbia County, she is a graduate of Taconic Hills Central School District and Columbia-Greene Community College.  

She resides in Mellenville with her husband, Howard, and their two children, Jeffrey & Emily.

To contact Sarah, please call (518) 828-4616 or send an email to

Jamie Seagroatt

Office Support

A lifelong resident of Columbia County, Jamie is a graduate of Columbia Greene Community College. She holds an Associate Degree in Applied Science with a concentration in Human Services.

Past employment has included positions as an Assistant Residential Manager with COARC and as a Customer Service Representative with a telecommunications company.

She resides in Hillsdale with her husband John and their dog Meg. They have one son. Her interests include gardening, outdoor activities and reading.

To contact Jamie, please call (518) 828-4616 or send an email to

Shannon L. Martin

Office Support

Shannon started with the firm in October 2016. A lifelong resident of Columbia County, Shannon graduated from Columbia Greene Community College with an Associate's Degree in Science.  

Past employment includes positions as a Production Coordinator at HAVE, Inc. and as a Warehouse Associate for FACE Stockholm.

She resides in Hudson with her family.

To contact Shannon, please call (518) 828-4616 or send an email to

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