Katrina Kowalski, CPA
“It’s not about the cards you’re dealt, but how you play the hand”– Randy Pausch
[email protected]
(603) 554-3062 – Direct Line
TITLE
Partner/Owner
LOCATION
Stratham, NH
HOBBIES
Reading, Cross stitching, Hanging out at Merrymeeting Lake with family and friends
FIRST JOB
My first job was at a small family bookstore in Waitsfield, VT. If I weren’t an accountant, I’d love to own a bookshop in a charming resort town where vacationers are always on the lookout for their next favorite read.
VOLUNTEER WORK
Katrina is a member and past co-leader of the Portsmouth, NH chapter of the Women’s Business League, serves as Treasurer for the non-profit Soul Models, and sits on the committee for CelebrateHER through the Portsmouth Chamber of Commerce as well as being active in the Massachusetts Society of CPAs. Furthering women in business is a passion of Katrina’s.
EDUCATION
Katrina is a double Falcon, holding a Bachelor’s Degree in Accounting and a Master’s Degree in Accounting Information Systems from Bentley University.
EXPERIENCE
Katrina has been licensed as a certified public accountant since 2009. After experiencing her husband’s IRS audit, Katrina decided to use her accounting degree to become a CPA to help individuals and small business owners understand how their taxes affect them at all times. Katrina loves helping individuals looking for more than just a tax preparer. Whether you’re starting a family, launching a business, or preparing for retirement, she’s here to provide thoughtful guidance every step of the way.
FAVORITE BOOKS
Honestly, I’m always looking for the next good read, but some of my all-time favorites are A Love Story by Erich Segal, Cider House Rules by John Irving, and Memoirs of a Geisha by Arthur Golden.
Emily Roster, CPA
“Every day may not be good… but there’s something good in every day.” – Alice Morse Earle
[email protected]
(603) 554-3060 – Direct Line
TITLE
Partner/Owner
LOCATION
Stratham, NH
HOBBIES
When not working, Emily enjoys many hobbies, including reading, baking, attending classes at Orange Theory Fitness, and traveling throughout New England.
FAVORITE BOOKS
Reading became a passion of mine when I first read The Firm by John Grisham in my freshman year of college. Some of my favorite all-time books include Girl on the Train by Paula Hawkins, The Nightingale by Kristin Hannah, Gone Girl by Gillian Flynn, and A Man Called Ove by Fredrik Backman.
EDUCATION
Emily holds a Bachelor of Science Degree in Business Administration from the University of New Hampshire and a Certificate of Graduate Studies in Taxation from the McCallum Graduate School of Business at Bentley University.
EXPERIENCE
Emily has been a Certified Public Accountant since 1999. She brings over 25 years of public accounting experience to the firm, providing tax and accounting services to small businesses and management advisory services to various industries, including contractors, hospitality, and real estate development.
FUN FACT
I was born on my mother’s 24th birthday. I’d say I was the best gift she ever received, but my two brothers may disagree.
Sarah M. DeZess, CPA
“You can fail at what you don’t want, so you might as well take a chance on doing what you love.” – Jim Carrey
TITLE
CPA
HOBBIES
Sarah and her husband, Justin, and their three children and two large dogs live in the beautiful mountains of Berkshire County, Massachusetts. Sarah enjoys a good mystery book, a slow Sunday cooking for her family, and a spontaneous adventure day exploring waterfalls or Gilded Age mansions in her free time.
FUN FACT
When she’s not crunching numbers, Sarah is hard at work in her cottage bakery, where she serves up delicious cupcakes and cheesecakes.
EDUCATION
Sarah graduated from the Isenberg School of Management at the University of Massachusetts-Amherst in 2012 with a dual Bachelor’s degree in Accounting and Mathematics.
EXPERIENCE
Sarah joined the firm in January 2024 and has been a Certified Public Accountant since 2019, bringing over 12 years of public and private accounting experience to the firm. Sarah found OnPoint by surprise during her search for work-life balance in an industry not typically conducive for working mothers.
FAVORITE BOOKS
Anything by the author Lisa Jewell
Lindsey Duffy, TaxCaddy Guru & Logistics Aficionado
“In any given moment, we have two options: to step forward into growth or step back into safety.” – Abraham Maslow
TITLE
TaxCaddy Guru & Logistics Aficionado
HOBBIES
When she’s not working, Lindsey enjoys spending time with her husband, their three children, and their beloved dog, Remy. She also loves being outdoors in the woods and practicing yoga.
EXPERIENCE (also fun fact)
Lindsey had been a client of Katrina’s for many years and worked for one of Katrina’s business clients. This connection eventually led her to her current OnPoint Tax & Consulting position.
FAVORITE BOOKS
Two recent reads include Wolfpack by Abby Wambach and Into The Wild by Jon Krakauer.
Lorie McGrath, Administrative Assistant
“This too shall pass.” – Abraham Lincoln
TITLE
Administrative Assistant
FUN FACT
My husband Dave and I are now proud empty nesters, living in Exeter with our lovable dog, Rigby. Our two grown daughters are off on their own adventures—one just got married in June, and the other started law school this August!
HOBBIES
Enjoy the outdoors, reading, spending time with family and hopefully more traveling in the future!
FAVORITE BOOKS
Currently reading The Delight of Being Ordinary: A Road Trip with the Pope and the Dalai Lama by Roland Merullo
Meg Leahy, Bookkeeper
My favorite quote comes from my dad. Whenever we broke something or faced disappointments, he always said, “May the harm of the year go with it.”
TITLE
Bookkeeper
HOBBIES
Boating, hiking, traveling, and reading.
FUN FACT
I have been happily married for over 40 years, and I’m the mother of three daughters and the grandmother of four. My favorite memories come from the time I spend with them.
EXPERIENCE
Meg is semi-retired, having spent 22 years working for the Haverhill School System in various roles, including bookkeeping, grants management, and accounts payable/receivable. Prior to that, she held similar positions in the banking and insurance industries.
FAVORITE BOOKS
Snow Flower and the Secret Fan by Lisa See