CATALYST CONSULTING GROUP - Key Persons


Allison DeGrave

Job Titles:
  • Accountant

Ann Schick

Job Titles:
  • Manager - Financial Compliance
  • Senior Manager - Business Services / Ann Schick CPA / Manager - Financial Compliance

Ann Stuiber

Job Titles:
  • Administrative Assistant

Ariel Bloniarz

Job Titles:
  • Tax Manager
  • Senior Tax Accountant
  • Tax Manager / Ariel Bloniarz
Ariel is a Senior Tax Accountant who joined the company in 2018. She began her career at a regional firm in Green Bay, where she worked with large companies, specializing in multi-state income taxes with a focus in manufacturing and transportation entities. Additionally, she has worked on various state and local income tax research and compliance projects. In addition, Ariel is teaching tax at St. Norbert College.

Brittany Bauknecht

Job Titles:
  • Tax Manager
  • Senior Tax Accountant
  • Tax Manager / Jenny Jennings
Brittany joined the company in 2020 as a Senior Tax Accountant. She began her career at a national public accounting Firm in Green Bay where she served both corporate and individual clients. Brittany has experience in federal and multi-state income tax compliance and tax planning in manufacturing and other industries. Brittany holds a Bachelor of Business Administration in Accounting from St. Norbert College. She is a Certified Public Accountant and a member of the American Institute of Certified Public Accountants and Wisconsin Institute of Certified Public Accountants. Brittany resides in the De Pere area. Outside of work she enjoys spending time with her family including her nieces and nephews. She is an avid Wisconsin sports fan. Brittany also enjoys baking and trying new recipes in the kitchen.

Casey Meyer

Job Titles:
  • Senior Accountant

Erika Tatroe

Job Titles:
  • Director of Business Services / Erika Tatroe
  • Director of Financial Compliance
Erika has been with the firm since 2017. She has extensive public accounting experience to include auditing, accounting, tax and consulting. Erika holds a Bachelor's Degree in Accounting from Lakeland College and an MBA from the University of Phoenix. She is a Certified Public Accountant and is a QuickBooks Online Certified Advisor. She works with clients in several different industries. Erika lives in Pulaski with her husband where they raise and train versatile hunting dogs.

Jennifer Zeitler

Job Titles:
  • Accountant

Jenny Jennings

Job Titles:
  • Senior Tax Accountant
  • Tax Manager / Jenny Jennings

Karen J Renner

Job Titles:
  • Director of Tax
  • Director of Tax / Melissa Fochs
Karen is the Director of Tax Compliance and has been with the company since 2006. She has over twenty years' experience in taxation. Karen has worked in tax departments of SEC companies and a large privately held company. In addition to working in industry, Karen worked in public accounting at a regional firm in Green Bay where she worked with small businesses and business owners, specializing in state and local taxation. Through her work and education, Karen brings experience in federal and multi-state income tax compliance, tax research, tax planning, sales and use tax compliance, and audit representation. Karen graduated from Northern Michigan University in 1982 and received a Master of Science in Taxation from the University of Wisconsin - Milwaukee in 2000. She is a Certified Public Accountant, a member of the American Institute of Certified Public Accountants, the Wisconsin Institute of Certified Public Accountants and the Wisconsin Taxation Committee. Karen is a graduate of Leadership Green Bay, Class of 2014. Karen has two adult children, she resides in Green Bay with her husband and their two rescue dogs. Outside of work she enjoys running, cycling, playing the piano, reading and volunteering at Tank Elementary School.

Keri Holder

Job Titles:
  • Senior Tax Accountant
  • Senior Tax Accountant / Kristin Kozlovsky CPA / Tax Manager

Krista Brassfield

Job Titles:
  • Tax Manager
  • Tax Manager / Ariel Bloniarz
Krista joined the firm in 2016 as a Tax Manager. She began her career in public accounting in 2005 and has worked for two regional firms in the Green Bay area. She brings with her extensive experience in the area of state and local taxation where she has represented clients under sales and use tax audits, brought clients into compliance through voluntary disclosure programs in multiple states, and has performed large multistate research projects. Additionally, Krista has experience with partnership taxation and the effects both ownership changes and the sale of a business have on the members. She grew up in Southwest Minnesota, where her parents owned and operated a family business for over 40 years. Krista holds a Bachelor of Business Administration in Accounting and Finance from the University of Wisconsin- Green Bay. She is a Certified Public Accountant and a member of the Wisconsin Institute of Certified Public Accountants. She lives in Suamico with her husband Josh and daughters Stella and Hazel. As a family, they have fostered over 100 animals for the Wisconsin Humane Society and actively participate in their church. Krista enjoys spending time with her family and pets, golfing, and assisting her husband with his landscape business.

Kristin Kozlovsky

Job Titles:
  • Tax Manager
  • Senior Tax Accountant / Kristin Kozlovsky CPA / Tax Manager

Melissa Fochs

Job Titles:
  • Senior Tax Manager
  • Director of Tax
  • Director of Tax / Melissa Fochs
Melissa is a Senior Tax Manager who joined the company in 2012 and brings over 18 years of experience in taxation. She began her career at a regional firm in Green Bay, where she worked with small to medium size companies, specializing in state and local income and sales tax compliance. Prior to joining Catalyst Consulting Group, Melissa worked in the tax department of a SEC company located in the Fox Valley. Both the private and public accounting provided Melissa with experience in federal and state income tax compliance, tax research, and federal and state audit representation.

Nick Hammer

Job Titles:
  • Senior Manager
  • Member of the American Institute of Certified Public Accountants
  • Senior Manager - Business Services
  • Senior Manager - Business Services / Ann Schick CPA / Manager - Financial Compliance
Nick Hammer is a senior manager on Catalyst Consulting Group's business services team. He provides accounting, tax and business consulting services for small and medium-sized businesses and their owners. He leverages over 12 years of experience as a trusted business advisor and takes a personalized approach to ensure that clients are receiving the level of services they need to succeed. Nick is a member of the American Institute of Certified Public Accountants (AICPA) and the Wisconsin Institute of Certified Public Accountants (WICPA).

Timothy J Thomson - President

Job Titles:
  • President
Tim brings thirteen years of manufacturing experience to provide practical approaches to strategic planning, lean manufacturing, inventory management, performance based cultures, space utilization and supply chain management. Formerly, Tim was the Vice President of Manufacturing and Operations for Pride Manufacturing Company, LLC. He was responsible for over 350 employees in four plants across the United States and Harbin, China. The previous eleven years, Tim was the Vice President of Norwood Promotional Products' New London, Janesville, WI and Cranston, Rhode Island facilities. Tim had complete responsibility for sales, marketing, operations, IT, finance, human resources, and supply chain for a 400 employee division. During his tenure, this division grew from $5 million to $78 million through a focus on customer satisfaction, quality, and product innovation. Tim graduated from St. Norbert College in 1989. He began his career by working five years in public accounting at a regional firm in Green Bay. He is Certified Public Accountant and a member of the American Institute of Certified Public Accountants and the Wisconsin Institute of Certified Public Accountants. You can find Tim equally dedicated and focused in his personal life. Tim, lives in a rural community north of Green Bay with his wife. He has one daughter who is married and one daughter in college. Tim has coached a varsity and JV club softball team for 9 years, some summers over 80 games! Tim's other hobbies include bird hunting Northern WI, the UP of MI and ND… with his English Springer Spaniels. Tim is also an avid Turkey hunter where he has mentored over 25 children, adults and retirees to their first bird. It is a tremendous thrill for Tim to see the excitement in these first time hunters. He also enjoys bow deer hunting, elk hunting and black bear hunting.

Traci Nygaard

Job Titles:
  • Accounting Manager
Traci joined the firm in October 2016 as an Accounting Manager. She spent twenty years of her professional career with the Green Bay Packers in the Finance department. Traci graduated from NWTC in 1997 with an Associate degree in Accounting. She later continued her education at Lakeland College, graduating in 2013 with a Bachelor of Arts degree in Accounting. Traci resides in a rural area northwest of Green Bay where she has held the position of Town Treasurer for several years. In her spare time, she enjoys snowmobiling, camping, riding motorcycle with her significant other, Scott, and playtime with their dog, Josie.

Vicki Vannieuwenhoven

Job Titles:
  • Director of Business Services
  • Director of Business Services / Erika Tatroe