Our Team

Why do some of the biggest names in business trust the property tax consulting and property tax compliance experts at Advantax?
Our leaders have deep expertise.

Advantax senior leaders’ deep expertise and breath of knowledge is respected across the industry. They have brought efficient solutions to the most complex issues.

Our leaders are creative, dedicated and recognized for personal integrity at work, home, and in the community.

At Advantax, each leader takes his commitments and promises seriously. Peer-to-peer accountability, transparency, and a commitment to excellence drives our culture and results in quality, reliability, and industry leading performance.

Management Team

Andy King

Chief Executive Officer

Andy King is CEO at Advantax. His primary focus is on ensuring a superior level of service to Advantax customers while guiding the company’s financial needs and developing a workforce of professionals that is second to none.

Prior to joining Advantax, Andy was Senior Vice President of Finance and Chief Financial Officer at PrimeSource Healthcare Systems, the nation’s largest provider of mobile, on-site geriatric care. Working with the company CEO, Andy developed and executed a strategic plan that saw the company’s sales double in four years. Andy was the Vice President of Finance for Tire Distribution Systems a subsidiary of Bridgestone USA as well as the Treasurer for RTO a subsidiary of General Electric. Andy began his career at KPMG in Chicago.

Andy has his MBA from the University of Chicago as well as a BS in accounting from Illinois State University. Andy is a CPA and an avid runner (his wife calls it his obsession).

Charles Sanders

Vice President

Charles Sanders is the Vice President at Advantax with a focus on real property and personal property consulting. He is responsible for valuation analysis and tax assessment appeals, including both Personal and Real Property tax management. Charles brings experience with all facets of the property tax and valuation industry and displays a wide range of knowledge, positively impacting the success of our team.

Charles is an active member of the Institute for Professionals in Taxation. He holds his Bachelors Degree in Accounting from the University of Iowa.

Tim Ferraro

Director, Property Tax Services

Timothy Ferraro, Director, Property Tax Services  –  Oversees the entirety of the property tax compliance function.  His role is to ensure accurate and timely personal property tax filing and tax bill payments for all Advantax clients.  This is accomplished while working to uncover and implement opportunities to reduce property tax liabilities for our clients all while maintaining the highest level of customer service and satisfaction.

Tim has over 25 years of experience in property tax management. His expertise in property tax compliance includes industries in integrated manufacturing, chemical manufacturing, mining, healthcare, equipment leasing, retail & fast food as well as warehouse/distribution. Tim has been with Advantax since 2002. Tim is an active member of the Institute for Professionals in Taxation, where he holds a CMI designation. He also studied Electrical Engineering at the University of Michigan.

Michael King



Michael Marshall

Sales Manager


Dayna Ragano

Manager - Payment Services


Kirsten Bauers

Manager - Personal Property


Tom McHale

Manager - Personal Property


Andrew Shambaugh

Manager - Real Property


James Didier

Account Executive


Nick Lauf

Senior Consultant - Personal Property


Kyle VanWambeke

Senior Consultant – Personal Property