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We’re part of building your success,
which makes our hometown great.

And we get that delivering the best service to our clients starts with hiring the best people. You’ll find our team is accessible and responsive with a culture of integrity at our core.

Senior Tax & Accounting

picture of Tom Hammar, CPA
Tom Hammar, CPA
Lead Director
Tom earned a Bachelor of Arts, with a concentration in Accounting and Economics from Augustana College. He went on to get an MBA from St. Ambrose University. He is a CPA licensed in Iowa and Illinois and a member of the American Institute of Certified Public Accountants and Illinois Society of CPAs. Tom has spent his career working with small businesses, non-profits and churches assisting them in the areas of financially organizing themselves, keeping them tax compliant, and helping them to better succeed financially. Tom is active in Rock Island Rotary where he was president and serves on his church elder board.

picture of Jeanne Pyle Scott, CPA, CTFA, CGMA
Jeanne Pyle Scott, CPA, CTFA, CGMA
Jeanne has been working in the accounting industry since graduating from Truman State University with a Master’s degree in Accounting in 2002. She spent much of her career in the private trust company and family office area serving high net worth individuals and families. In 2015, Pyle Scott & Associates was born, and today Jeanne leads Centennial with a passion for meeting our clients’ accounting needs. Jeanne is a member of the American Institute of Certified Public Accountants, the Iowa Society of Certified Public Accountants, and the Institute of Certified Bankers.

picture of Doug Reiling, CPA
Doug Reiling, CPA
Doug specializes in advising small businesses, the self-employed, and entrepreneurs with entity selection, best practice training, and business purchase or sale due diligence. He also works extensively in tax planning and compliance for small businesses and their owners. Outside of work, Doug serves on his church’s Finance Committee and as a Subject Matter Expert for SCORE of the Quad Cities.

picture of Molly Shattuck, CPA
Molly Shattuck, CPA

picture of Elias Alkhouri, CPA
Elias Alkhouri, CPA
Business Services Senior
Elias, with his 30 plus years of local and international experience in Cost Control & Financial Reporting, is the Financial Partner of small business owners, helping them know their cost by designing their business cost structure, and helping with implementing an efficient cost control system. This leads to improving profitability and helps business owners work less and make more. He specializes in developing a vital reporting system to assist business owners to manage their business by numbers, which reduces borrowing cost and the risk of obsolescence. Outside of work, Elias is a member of the American Institute of Certified Public Accountants and the Illinois Society of Certified Public Accountants. He is also a member of the Bettendorf Rotary Club where he serves as the treasurer on the board.

picture of Sandra Balk, CPA
Sandra Balk, CPA
Tax Manager
Sandy is a wife, mother of four and “Maga” of soon to be three. She graduated from Augustana with a BA in accounting but is a loyal ILLINI fan. Before joining Centennial, she worked for 25 years at two Top 5 CPA firms, beginning as an auditor and transitioning into the world of tax many years ago. Sandy specializes in trust work as well as individual tax planning and preparation. In her free time she enjoys sewing and playing with her grandkids and grand-dogs.

picture of Becky Hanssen
Becky Hanssen
Payroll Senior
Becky has over 20 years of experience in high volume, multi-state/multi-company payroll processing in addition to Month/Quarter/Year-end processing and auditing. She specializes in payroll support for a range of business customers and has knowledge in a variety of topics including sales auditing and unemployment.

picture of Susan Hartung, LPA
Susan Hartung, LPA
Accounting Manager

picture of Colleen LaPlante
Colleen LaPlante
Accounting Senior

picture of Rick Oelerich, LPA, EA
Rick Oelerich, LPA, EA
Senior Tax Manager
Rick provides a wide range of advisory, accounting, and tax services. His specialty is tax planning and compliance for small businesses and their owners. He has also worked extensively in the taxpayer representation field since 1975. After attending Drake University and Iowa State University, Rick began his career in 1973 at the firm that what was most recently Oelerich, Reiling & Miller. He is a Licensed Public Accountant in the State of Iowa and an authorized enrolled agent, allowing him to represent taxpayers before the Internal Revenue Service.

picture of Catherine Raeside, CPA
Catherine Raeside, CPA
Senior Tax Manager
Catherine specializes in individual, business, estate and trust tax planning and preparation. She has worked for several public accounting firms in the Quad Cities and has over 20 years of experience in tax and accounting. Catherine is a member of the American Institute of Certified Public Accountants and the Iowa Society of Certified Public Accountants and serves as a member of the Iowa Society of Certified Public Accountants Taxation Committee.

picture of Dave Schebler, CPA
Dave Schebler, CPA
Senior Tax Manager
Dave specializes in advising small businesses and individuals with tax planning and compliance. He is a member of the American Institute of Certified Public Accountants and the Iowa Society of Certified Public Accountants. Outside of work, he serves on his church’s parish council and as chairman of the finance council. He enjoys fishing and running in various local road races.

Accounting Staff

Reba Bishop
Payroll Specialist

Natalie Condit
Staff Accountant

Betty Dixon
Payroll Specialist

Kelly Dodd
Staff Accountant

Lauren Finn
Staff Accountant

Taylor German
Staff Accountant

James Martin
Staff Accountant

Tina Martin
Payroll Specialist

Katie Moeller
Tax Specialist

Sarah Ockerman
Payroll Specialist

Jeanette Proenneke
Payroll Specialist

Sam Schuster
Staff Accountant

Lovenia Tyler
Staff Accountant

Amy Wickizer
Staff Accountant

Support Staff

Tammy Simmons
Operations Manager

Sandra Brokman
Administrative Assistant

Jane Copeland
Administrative Assistant

Debbie Denato
Administrative Assistant

Jimmy Oelerich
Administrative Assistant

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