Interfund Management Services, Inc. (IMS)
Interfund Management Services (IMS) is a Washington State investment advisor located in Spokane Valley, WA. Client accounts are held at Equity Trust Company, the custodian, Westlake, OH.
IMS manages two investment strategies that were developed during 1997: an income strategy and a growth strategy.
Review our website and the IMS Brochure dated December 31, 2019 for more detailed descriptions of IMS and the investment strategies managed by IMS.
The IMS Management Team
The brothers John & Ron Krehbiel established IMS in 1994. Ron retired to Tucson, Arizona in 2005. John is IMS President, and together with niece Jamie Low, manages the two mutual fund portfolios and the daily business operations.
The Next Generation
Son-in-law Mark Adams obtained his securities license in 2014. The extended family is committed to continue both IMS investment strategies for decades to come.
Registered Investment Advisor
Interfund Management Services, Inc. (IMS) is a Registered Investment Advisory firm in WA State.
Meet Our Team

Client Services
We'll handle the heavy lifting and provide you with regular reporting on portfolio performance.
- Risk Tolerance Guidance
- Professionally Managed Investments
- 24/7 Support is a Call or Email Away
- Balance Between Low-Risk & High-Risk
IMS Income Program
Facts and Figures
Commenced Operations: October 27, 1997
IMS Growth Program
Facts and Figures
Commenced Operations: January 22, 1997