Team Members

John Zimmerman
President

John Zimmerman has fifteen years of experience in the assessment profession. As manager of the ValueWest he currently manages the reappraisal services in six counties. His experience as the manager of the Colorado Property Assessment Study afforded him the opportunity to visit dozens of counties and learn the work flows and work habits in many different work environments. He brings the best of this experiences in the form of knowledge to ValueWest and our customers. He has managed ten statewide ratio studies and related special projects. He has been involved in ratio study and assessment analysis in Florida, Saskatchewan Canada, Arizona and Colorado. He has contributed to chapters in the IAAO textbook – Property Appraisal and Assessment Administration. In addition to ratio study and ad valorem valuation work John has conducted many analyses on real estate and personal property related data including state wide housing cost projections and analysis of housing costs by school district. Mr. Zimmerman has also conducted appraisal assignments of industrial business personal property on many properties in Mississippi and Wyoming.
In addition to his extensive experience in property valuation and assessment John has also had several pertinent experiences in government. During his education, he was selected to serve as an intern for Representative Dan Williams in the Colorado General Assembly. The experiences in this position were invaluable in teaching him about government protocol and process. Mr. Zimmerman also served as an assistant to the Director of the Office of Regulatory Reform in the Colorado Department of Regulatory Agencies. This position furthered his appreciation of the workings of state government and provided him with opportunities to serve in the Small Business Information Center that was staffed jointly by the Governor’s staff and the representatives of other State of Colorado agencies.

The work in the assessment evaluation arena has allowed John to develop skills in the areas of statistical analysis and data conversion. He has developed a proficiency in several areas of information systems technology. He has overseen, designed, purchased and implemented a Local Area Network (LAN) and has been involved in rebuilding several other such systems. John has worked hard at maintaining a technological edge by staying in step with current technology. Recently he managed and designed a large part of a new state wide property inventory system that considerably enhanced the efficiency of data analysis.

John has also successfully completed valuation work in the private sector. In 2002 he was asked to assist in the valuation of Normandy Mining of Australia when it was acquired by Newmont Gold. This transaction formed the largest gold mining firm in the world. John was instrumental in the process of allocating value to the various entities involved in the transaction.

Frank Westermann

Frank has many years of experience in construction management on Colorado's Western Slope.  More recently he was an independent fee appraiser in the Denver area.  His work ethic and integrity led him to pursue other appraisal related work.

Related resources

• Appraisal Institute
• International Association of Assessing Officers
• Colorado Division of Property Tax
• Urban and Regional Information Systems Association
• Lincoln Institute