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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
Director
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
Director
Doug leads the Advisory, Accounting, and Support Teams at Centennial.  He specializes in advising small businesses, the self-employed, and entrepreneurs with entity selection, best practice training, and business acquisition, sale, and succession planning.  He also works extensively in financial reporting, tax planning, and compliance for small businesses and their owners. Doug is a member of the American Institute of CPAs and Iowa Society of CPAs and holds an Iowa CPA license. He graduated Summa Cum Laude from Western Illinois University with a Bachelor of Business Degree in Accounting and Finance.  Outside of work, Doug serves as a Subject Matter Expert for SCORE of the QC, as Treasurer for his local Boy Scouts Pack, and on various committees at his church. 


picture of Molly Shattuck, CPA
Molly Shattuck, CPA
Director
Molly has been working in the accounting industry along her father, Tom Hammar, for over 10 years. Accounting is a second career for Molly; she initially graduated from Bradley University and Rush University with degrees in Clinical Nutrition. She now specializes in helping small businesses, churches, and non-profits in financial compliance and organization. She also leads the payroll team at Centennial. Outside of work, Molly stays busy with her active family and volunteer activities. She is currently Treasurer of Rock Island Rotary, Treasurer of the Friendship Manor Board of Directors, and on several non-profit finance committees.


picture of Elias Alkhouri, CPA
Elias Alkhouri, CPA
Advisory 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, CPP
Becky Hanssen, CPP
Payroll Manager
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
Susan manages the accounting team at Centennial Tax & Accounting. She primarily provides accounting services to business clients, specializing in Quick Books setup, training, and support. Susan brings many years of experience in in both public and private accounting to the Centennial team. Susan earned her Associates Degree in Accounting & Administration from AIC in 1994 and is a Licensed Public Accountant in the State of Iowa. She is also a certified Quick Books Online Pro Advisor. In her free time she is the treasurer/committee member for her local Boy Scout Troop and teaches Sunday school at her church.


picture of Colleen LaPlante
Colleen LaPlante
Accounting Senior
Colleen has been working in accounting for over 20 years and tax for 15 of those years. She holds a BA in Accounting and a MS in Administration, both from Western Illinois University. Her work experience includes includes public accounting, non-profit fiscal/grants accounting, corporate accounting, and small businesses. Her expertise includes 1040 tax returns, to include clergy tax returns. Colleen has also worked with QuickBooks for many years, and helps clients troubleshoot issues and helps set-up clients with new QuickBooks accounts.


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 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 Jannine Sadler, CPA
Jannine Sadler, CPA
Tax Manager
Jannine has earned a Master of Taxation from the University of Denver and has a CPA License in Colorado. Is a Member of the Colorado Society of CPA and served on the Board of Directors. She has spent her 30+ year career working both in public accounting as a tax preparer and advisor to individuals and businesses; and in the private industry working with Oil & Gas exploration companies. She obtained a BS in Accounting from the California State University, Long Beach and an MS in Management & Information systems from Colorado University of Denver. She is always learning and likes helping solve simple to complex tax problems. When not occupied with work, she likes to travel domestically and abroad, enjoys machine embroidery, quilting and making sewing project as gifts.


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


Ken Fu
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


Amy Wickizer
Staff Accountant


Support Staff

Tammy Simmons, MBA
Operations Manager


Debbie Denato
Office Manager


Sandra Brokman
Administrative Assistant


Jane Copeland
Administrative Assistant


Judi Kobilka
Administrative Assistant


Jimmy Oelerich
Administrative Assistant


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