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Our Team

Our Team

Sean P Riley, CPA

763-786-7899 University of St. Thomas, BA - Major in Accounting
Certified Public Accountant

Sean P. Riley, CPA. After graduating with a BA, Major in Accounting from the University of St. Thomas, Sean has acquired over 17 years of experience in public accounting and another 5 years with privately held companies, including owning a landscape and design company. His experience outside of public accounting and working directly with small businesses has equipped him with many tools to assist clients. Developing strong relationships, communication, and trust are keys factors in his success with the firm. His experience includes individual & corporate tax preparation, financial statement preparation, payroll taxes, sales taxes, start-up businesses, and Web services. Sean's memberships include the MN Society of CPAs and the MN Association of Public Accountants, along with i94 Chamber of Commerce, Elk River Chamber of Commerce and Member of Shop STMA. During his time away from work, you may find Sean walking his two Newfoundlands with his wife. In the fall you might catch him at his hunting land in Moose Lake, MN and in the summer, traveling north for the Fourth of July! He also enjoys swimming, which his daughters also participate in along with various sport activities.

Tom M Martin, CPA

763-786-7899 St. Cloud State, Bachelor of Science with a Double Major in Accounting and Business Econ - Magna Cum Laude
Certified Public Accountant

Tom Martin, CPA. Tom joined our firm in August of 2016. Tom has more than 11 years of experience serving privately-held companies, primarily in public accounting but also in financial leadership roles. Tom’s specialties include tax compliance and advisory services for businesses and individuals, transaction advisory services (including mergers & acquisitions, divestitures, and succession planning), and financial statement preparation. Tom is a member of AICPA and MNCPA and is also a graduate of the St. Cloud Area Chamber of Commerce Leadership Program. Tom graduated magna cum laude with a B.S. from St. Cloud State University as a double-major in Accounting and Business Economics and resides in the St. Cloud area with his wife, Noel, and two young daughters. Tom is an avid Minnesota sports fan and enjoys spending time fishing and exercising. Oh…and he will talk NASCAR with you all day if he gets the chance.

Make an appointment to meet with Tom here.

Audra Bird, RAP, ARA

763-786-7899 ARCC - AAS in Accounting
Registered Accounting Practitioner, Accredited Retirement Advisor, Registered Tax Return Preparer

Audra J Bird, RAP, ARA. Audra joined our firm in August of 2012 and she has over 32 years’ experience in public accounting. During her career, her primary focus has included small business accounting, payroll taxes, sales tax, corporate & individual tax preparation, and QuickBooks. She completed her AAS degree in Accounting from Anoka Ramsey Community College. She is recognized with the MN State Board of Accountancy as a Registered Accounting Practitioner (RAP) and also as an Accredited Retirement Advisor (ARA) with the Accreditation Council for Accountancy and Taxation. In her free time, she enjoys spending time with her family including her husband, 2 children and 3 grandchildren along with camping, hiking, and fishing.

Sara Grupa

763-786-7899 St. Cloud State, Bachelor in Accounting

Sara Grupa has a Bachelor Degree in Accounting from St. Cloud State University, she has two years of experience in public accounting and one year experience at Primerica Financial Services. Sara specializes in Bookkeeping, Sales Tax & Individual and Business Tax Prep. When Sara isn’t working hard at the office, she enjoys reading novels or trying new food, yum!

John Christopherson

763-786-7899 University of St. Thomas, Accounting

John Christopherson graduated from the University of St. Thomas with an Accounting Degree and has two years of experience in Non-Public Accounting and one year in Public Accounting. John specializes in Business Tax Prep, Bookkeeping and Individual Tax Prep. Outside of accounting, he has experience in Insurance, Retail and Rentals. When John isn’t busy in the office, he enjoys traveling or playing sports!

Jonathan Kindem


Jon joined the firm at the beginning of 2019 and came in with 4 years of personal income tax preparation experience. His specialties include tax credits, claiming dependents, retirement income, and many other individual tax topics. When Jon is not discussing tax returns, he's usually engaged in NASCAR discussions with Tom.

Melissa Peterman

763-786-7899 U of MN, Duluth - Bachelors in Business Administration

Melissa Peterman is our Executive Assistant here at Riley Martin Ltd. She graduated from the University of MN Duluth with a Bachelors of Business Administration. Aside from her time here at the office, she has 13+ years of bookkeeping experience, including working for the U of MN and a non-profit organization. Outside of Public Accounting, Melissa also has two years of experience as an Operations Manager for an investment firm. When Melissa isn’t working hard here at the office, she enjoys working out and spending her time with friends and family.

Nicole Fleury

763-786-7899 AA, Business Administration

Nicole Fleury is new to the firm here as of 2020 and is our Administrative Assistant and Marketing Specialist. She is the face that will greet you at the front door or when you call into the office. Nicole went to school for Business Administration and has experience in Insurance, Real Estate Closing and Healthcare. When she isn’t at the office, you can find her spending her time with her family and friends, including her spouse, Logan & their dog Teddy. She enjoys checking out new breweries and going to shows or concerts, but most of all, Nicole loves to laugh and have a good time!

Sylvia Maxey


Sylvia can be described as our "jack of all trades" and has been a great asset to our team as she goes into her third tax season with us. Her experience is endless, from tax return preparation to scheduling tax appointments - she is willing to do anything that is asked. Sylvia's best asset, however, is her homemade snacks which are always a big hit around the office.