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Fort Collins, CO CPA firm

Our Staff


Alan WilliamsonAlan has been a CPA since 1993, and earned his MBA and BS in Business Administration after graduating from the University of Colorado. With more than 30 years of financial positions with public and privately held companies his diversified background brings unique perspective to his clients. Alan's goal is to have all of his clients experience our commitment to excellence by providing total financial services to individual and small-to-medium business clients. His emphasis is on early planning incorporated with knowledge based financial strategies and coordinated business and personal planning.


Daryl has been in the accounting profession for over 32 years. He earned a B.S. in Accounting, with a minor in Computer Science from Ball State University. Daryl was born and raised in Indiana and moved from Indianapolis to Wyoming in 2007, and currently resides in Cheyenne, WY. Daryl joined Williamson & Company as a Tax Preparer/Tax Reviewer in 2020. He is involved with several organizations in Cheyenne dealing with people having special needs. When Daryl is not working, he enjoys spending time with his wife and son, traveling and going to the movies.

Tammy Wilgers


Tammy has been a tax accountant working primarily with small businesses and their owners in several roles since graduating from Colorado State University in 1980 with a BS in Business Administration with a concentration in Accounting. She has worked with the firm since 1988. She enjoys working with a wide variety of small businesses including agricultural business, and appreciates the personal relationships that are built as she works with clients regarding tax compliance, payroll matters, tax planning, Quickbooks systems, entity formation, and estate and trust taxes.

VICKI HALE, Senior Staff Accountant

Vicki has been in the accounting profession for over 30 years giving her a strong background working with tax preparation and accounting. She has passed the Unified Certified Public Accountants exam. She has expertise in the preparation of corporate, partnership, business and fiduciary tax returns; and working with clients from several varied industries. She oversees other accounting services including, but not limited to reviews, compilations, bookkeeping and payroll. She is a certified QuickBooks Pro Advisor who assists clients in bookkeeping setups, training, and ongoing maintenance.

Janice Foster

JANICE FOSTER, Staff Accountant

Janice Foster has been in the accounting profession for nearly 20 years.  She earned a B.A. in Economics and B.S. in Accounting.  She has worked in the financial industry working for Merrill Lynch as a registered representative assistant.  Then she moved on to specialize in forensic accounting as a Certified Divorce Financial Analyst.  Janice enjoys all aspects of tax and financial planning, and has extensive experience working with small business, partnerships, trusts and individual tax preparations.  When Janice is not working, her life is full raising her three boys with her husband and enjoying the beautiful outdoor scenic life of her new home, Colorado.


Jeanne joined Williamson & Co. PC as a Tax Accountant in 2018. She graduated from the University of Wyoming with an Accounting Degree in 1990 and has worked in the banking industry and public accounting. She holds a CPA license in both Wyoming and Colorado and has over 10 years of experience in taxation. Jeanne really enjoys having the opportunity to get to know our clients and strives to provide them with excellent customer service.


Lynne has been in finance and accounting since the age of 20, working part-time as a teller while finishing her B.S. in Accounting at Villanova University. Lynne has always had an affinity and love for the study of taxation. After graduation, Lynne became the Manager of General Accounting for Quaker Chemical Corporation in Conshohocken, PA. 12 years later, Lynne visited Fort Collins, fell in love with it, and promptly relocated. She pursued her Masters degree in accounting, with a certificate in taxation, at CSU, became a CPA in the state of Colorado, and went to work for PriceWaterhouseCoopers in Denver. Lynne joined Williamson & Company as a Tax Preparer in 2020. Lynne is a Master Naturalist for the City of Fort Collins. When you do not find her helping clients in the office, you may see her out in The Natural Areas, running programs, helping visitors, and enjoying herself immensely.

EASTON HUNTER, Staff Accountant

Easton Hunter graduated from West Texas A&M University with a B.A. in Business Administration and a masters in professional accounting. She joined Williamson & Co. PC in August 2019 as a staff accountant and is eager to obtain her CPA certification as the next step in her career. She has a diverse business background which includes administrative, inventory, accounting and Quick Books services, experience in renewable energy consulting, and exquisite customer service skills. Outside of work Easton enjoys competing at rodeos, camping, boating, and fishing with her family and friends. She is motivated, organized, and willing to go beyond common expectations to support client and company goals.

Patrick Kryskiewicz


Patrick joined Williamson & Company as a Tax Accountant in 2019. He graduated from the University of Connecticut with a B.A. in Economics in 2011. He also received graduate and undergraduate certificates in accounting in 2017 from Sacred Heart University in Fairfield, CT. Patrick passed the CPA exam in June 2019 and has been a member of the Volunteer Income Tax Assistance program for multiple years. In his free time Patrick enjoys mountain biking, hiking, and kayaking.



Brandi began her career in accounting in 2014, and has extensive experience in all aspects of bookkeeping and accounting. She earned a B.A. in Spanish in 2012, and then graduated with a master’s in accounting from Colorado State University in 2018. In her role as a bookkeeper, Brandi takes pride in assuring that all financial aspects of a company are in good hands, including making sure that all client funds are handled ethically and with integrity. She joined Williamson and CO. in 2019 and is excited to use her financial knowledge to help the clients at our firm. In her spare time, Brandi enjoys the beautiful Colorado sunshine, playing at parks and swimming with her young son. She also can't resist curling up with a good book and baking/eating fresh cookies.

Monique Ried

MONIQUE RIED, Marketing/Client Development Coordinator

Monique is a University of Denver Honor Graduate with a BA in Sociology and Speech Communications with a concentration in mediation/conflict resolution. She went on to hold many different management positions in a variety of industries. Over time she developed a passion for marketing, customer satisfaction, and client development. Monique originally came to Williamson and Company in early 2018, and has held several positions including Payroll Manager, Office Administrator and now Marketing/Client Development Coordinator.

Tessa Gallegos

TESSA GALLEGOS, Administrative Assistant

Tessa has been with the firm since late 2014. She assists our professional accounting staff by wearing many hats, and by using her exceptional technological savvy. She is a friendly voice and smile with staff and our valued clients. Tessa received her AA in Business Administration from Front Range Community College in 1990. Previously, she worked in private business and government positions in the areas of accounts receivables/payables, payroll, and customer service. Tessa’s skill set adds yet another beneficial and positive dimension to our already stellar administrative support staff.

Gail Mullen

GAIL MULLEN, Receptionist

Gail recently joined the team at Williamson and Company. She has lived in Fort Collins for 34 years and been in administrative support positions most of her career. She enjoys working with people and making clients feel cared for. Gail, as a long time resident, also believes in being involved in the Fort Collins community.



  • Laura Young, Staff Accountant (Seasonal)