WTZIMI has consulted to many top financial institutions around the world.
- Yamaichi Research Institute, Tokyo, August 1988-December 1989, on worldwide security market anomalies and portfolio strategy.
- Edward O. Thorp and Associates, on Global Investment Strategies, December 1990-1996.
- Gordon Capital Corporation, on Global Investment Strategies, 1990-91.
- Frank Russell Company, on Global Asset Allocation and Portfolio Management Research, June 1989-April 1998.
- Buchanan Partners, on Global Investment Strategies, London, England, March 1992 - April 1994.
- Morgan Stanley, New York, on U.S. and global investment strategies, March 1993.
- Market Research, Nassau, Bahamas, October 1996 – July 2000.
- Credit Swiss First Boston, London, December 1999.
- Innovest (Siemens Austria Pension Plan), Vienna, December 1999- July 2001.
- Gruppo Uni Credit, Milan, January, 1999- July 2001.
- SCA Insurance, Dallas on sports insurance guarantees, August 2001-March 2006.
- ORS, Alba, Italy, August 2000 – 2005.
- Mansion on lottery strategies, January 2004 – to present
- IS Partners, Zurich, October 2005-January 2006
- RAB Capital, Hedge Funds, London, February 2006 to March 2007
- Canyon Capital Advisors, LLC, Los Angeles, February 2007
- Private International Wealth Management, 2002 – present; Director of Research, 2006 - present