Contact Info

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Zick Business Advisors, Inc. | CPAs and Certified Valuation Analysts

  • 16 Inverness Place East, Bldg C
  • Englewood, CO 80112
  • Office: 303.758.9167
  • Toll Free: 800.788.9167
  • Fax: 303.758.9194
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Eric J. Ransick, CPA/CFF, CVA

Shareholder, President & Manager, Valuation & ESOP Services
  • Office: 303.758.9167 ext. 1010
  • Direct Dial: 720.485.6205
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Eric is the President and Managing Shareholder of our professional corporation, and also manages our busness valuation and ESOP related consulting practice. He received his B.S. degree in Accounting from the University of Arkansas in 1975. He received his original CPA certificate #1764 in Arkansas in 1977, and his current Colorado CPA license #12389 in 1990. Eric is a Certified Valuation Analyst (CVA), accredited in business valuation and appraisal services by the National Association of Certified Valuators and Analysts (NACVA). He is also Certified in Financial Forensics (CFF) by the American Institute of CPAs. Prior to joining our firm he was a Special Agent and Group Manager with the IRS Criminal Investigation Division. Eric specializes in a variety of business consulting services, including ESOP and tax/estate related business valuations (a field in which he has 30 years of experience); ESOP feasibility, design and implementation; equity compensation and incentive plans; exit planning services for business owners and forensic accounting.


Gregory S. Zick, CPA, CVA(np)

Shareholder, Vice President & Manager, Tax and Accounting Services
  • Office: 303.758.9167 ext. 1080
  • Direct Dial: 720.485.6212
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Greg is the Vice President and a shareholder in our professional corporation. He received his B.S. degree in Accounting from Colorado State University in Ft. Collins in 1993, and obtained his Colorado CPA license #16142 in 1995. He is also a Certified Valuation Analyst accredited in business valuation by the National Association of Certified Valuators and Analysts, though his CVA is currently inactive due to Greg's commitment to managment of the firm's tax and accounting practice.  In addition to management of Zick's tax practice, Greg personally works closely on tax engagements with many of our larger business clients and high net worth individuals. He is an expert in the complex field of oil and gas taxation.  


Matthew S. Ransick, CPA, CVA

Shareholder, Valuation/Tax Professional & Technology Manager
  • Office: 303.758.9167 ext. 1100
  • Direct Dial: 720.485.6214
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Matt is a shareholder in our professional corporation.  He is a 2011 summa cum laude graduate of Fort Lewis College in Durango (one of six Colorado colleges and universities with AACSB international accreditation for its School of Business) where he received his B.A. in Accounting with a minor in Economics.  He received his Colorado CPA license #31341 in 2013, and is also a Certified Valuation Analyst accredited in business valuation by the National Association of Certified Valuators and Analysts. In the tax arena, Matt works with small business, trust and individual income tax clients.  As a CVA, Matt conducts and participates in a wide variety of business valuation engagements for ESOP and other valuation clients of the firm.  He is also responsible for internal management of our computer systems/technology.

Kim M. Walton, CPA

Shareholder and Tax Professional
  • Office: 303-758-9167 ext. 1050
  • Direct Dial: 720.485.6208
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Kim has over twenty years of accounting and tax experience in CPA firms in Oklahoma, and has been a CPA since 2006 (originally licensed in Oklahoma #16195 and licensed in Colorado #9036284 in 2019).  She joined Zick in January 2019 following a move to the Denver Metro Area to be closer to family.  Kim is an expert in Quickbooks and a Quickbooks Certified ProAdvisor (Desktop/Network versions).  She also has experience in working in the Oil & Gas field.  She is primarily responsible for working with a variety of the firm's individual, business and trust tax clients.

John Ramsey, CPA, CVA

Shareholder and Tax / Valuation Professional
  • Office: 303.758.9167 ext. 1020
  • Direct Dial: 720.485.6206
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John joined the Zick team after completing his Bachelor's Degree at Colorado State University in 2014 and his Master of Professional Accountancy degree at Metropolitan State University in 2017, with a near 4.0 graduate GPA.  He received his Colorado CPA license #9036586 in March 2020. John is a member of the National Association of Certified Valuators and Analysts, and completed his CVA certification in 2022.  John works primarily with Firm clients on individual, business and trust client tax return preparation and tax planing projects, and on business valuation projects with the firm's other two active CVAs. John is also a Quickbooks Certified Pro Advisor (for both the Desktop and Online versions) and is happy to assist clients using either version of the Quickbooks accounting software. 

Manuel Marroquin, CPA

Tax Professional
  • Office: 303.758.9167 ext. 1060
  • Direct Dial: 720.485.6210
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Manny is the firm's newest CPA tax professional.  He completed his Bachelor's Degree at Wichita State University in 2009 and his Master’s of Accountancy in May 2014.  He passed the CPA exam in May 2020 and received his Kansas CPA license #7984 in June 2022.  Manny has diverse accounting experience from working in cost accounting at Invista (a Koch Industries subsidiary), working as a lead accountant for a family-owned small business that provides transportation services delivering bulk mail for the USPS, and CPA firm experience including preparation of business, trust, and individual tax returns and audit experience specifically performing agreed-upon procedures for bank directors’ examination for small community banks in Kansas.  In addition, Manny has tax software programming experience with Wolters Kluwer/CCH, including complex programming logic and tax research to ensure tax calculation accuracy.  Manny works primarily with Firm clients on individual, business and trust client tax return preparation and tax planning projects.

Sasha Michel

Tax Professional
  • Office: 303.758.9167 ext. 1030
  • Direct Dial: 720.485.6207
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Sasha is in the process of completing her Bachelor's Degree in Accounting at Metropolitan State University of Denver, with anticipated graduation later in 2022.  She joined Zick as a paid student intern for the 2022 tax filing season, and assisted our tax CPAs in business and individual income tax return preparation projects, in working with business client Quickbooks data, and on other assigned projects.  Following tax season, Sasha accepted a full-time tax professional position at the Firm effective June 1.  She plans on completing her Colorado CPA certification as soon as possible after graduation. 

Debi Ransick

Shareholder and Office Manager
  • Office: 303.758.9167 ext. 1000
  • Direct Dial: 720.485.6204
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Debi is a shareholder in our professional corporation and the office manager for our firm. She is a primary point of contact for our clients and has a wide range of administrative responsibilities in terms of the "business" side of managing our company.  Debi also provides bookeeping and bill payment services to some business and individual clients, and provides paraprofessional support to the firm's Certified Valuation Analysts in valuation engagements.

Dean E. Zick

Founder (1931 - 2019)
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Dean Zick founded our professional corporation in 1971, and was President and Managing Shareholder of the Firm until 2005. He received his B.S. in Accounting from the University of Denver in 1954, and held an active Colorado CPA license #900 for nearly 50 years, before transitioning to inactive CPA license status. Dean officially retired from the Firm in 2018 at age 88, and passed away peacefully at home in January 2019.  We all miss him!!