Ian B. Davidson is Chairman of Davidson Companies, the financial services holding company that owns D.A. Davidson & Co., Davidson Trust Co., Davidson Investment Advisors, Kirkpatrick Pettis, and Davidson Travel.

Mr. Davidson joined D.A. Davidson & Co. in 1958 as the firm’s third employee, along with his father and a secretary/cashier. Previously, he worked for a regional investment firm in Utah and New York, was a finance instructor at the University of Montana and an accounting officer in the U.S. Air Force. He holds a bachelor’s degree in business administration from the University of Montana and a master's degree in business administration from the University of California, Berkeley.

He has been active in many securities industry organizations, including the National Association of Securities Dealers, for which he served as board chairman in 1995. He has been vice chairman of the Pacific Exchange Inc. and served on the board of the Securities Industry Association. He is involved in many civic and educational groups and serves on the board of directors of Plum Creek Timber Co.

Vincent M. Purpura is Vice Chairman of Davidson Companies and is its former President and CEO.

Mr. Purpura joined D.A. Davidson & Co. in 1976 as Treasurer, and was named President and Chief Operating Officer of the firm in 1990. He became President and CEO of D.A. Davidson & Co. in 1998, and was elected President and CEO of what was then called DADCO, and now Davidson Companies, in January 2000. He was educated at New York State University-Buffalo and The New York Institute of Finance. Before joining D.A. Davidson & Co., he was Operations Manager for Hugh Johnson & Co. in Buffalo. 

He has been active in industry groups, including the National Association of Securities Dealers and Securities Industry Association. Among other involvement, he serves as President and on the Board of Directors of the Great Falls Baseball Club.

William A. Johnstone is President and Chief Executive Officer of Davidson Companies.

Mr. Johnstone joined D.A. Davidson & Co. as President in August 2000, and became President and CEO of Davidson Companies in January 2004. Previously, he was Managing Partner at Dorsey & Whitney LLP, a Minneapolis-based law firm with offices around the world, where he began his career as an attorney. Before returning to law, Johnstone was Vice Chairman of the investment firm Dain Rauscher Inc. and President and CEO of Rauscher, Pierce & Refsnes Inc., a subsidiary of Dain Rauscher. Johnstone earned a bachelor’s degree with honors from Montana State University and a juris doctorate degree from the University of Minnesota Law School, again with honors.

He serves on the board of directors for the Great Falls Area Chamber of Commerce, Great Falls Development Authority, Montana State University Foundation, University of Minnesota Law School, Montana History Foundation, and the Montana World Trade Center.

Arthur P. Sims is President of Davidson Trust Co., the trust and wealth management operation within Davidson Companies.

Mr. Sims joined Davidson Trust in September 2004 after previously serving as Director and President of Legg Mason Trust, fsb, in Baltimore, Maryland. He joined Legg Mason in 1992 to form and develop a trust business for the company. He previously served in various management positions with a number of financial institutions, accumulating more than 29 years in the trust industry during his career.

He is a graduate of the University of Texas and holds a law degree from Case Western Reserve University. He has been active in a variety of civic and educational organizations.

Andrew Davidson is President of Davidson Investment Advisors, the money management firm within Davidson Companies.

Mr. Davidson was named President of the firm in 2004 after serving as Senior Vice President, Director of Client Services and Marketing for Davidson Investment Advisors and previously serving as one of the firm’s portfolio managers. Mr. Davidson joined Davidson Investment Advisors in 1993 after working with Van Kaspar Advisors and with Dean Witter Reynolds, securities firms in California’s Bay Area.

He holds a bachelor’s degree in business administration, with an emphasis in finance, from the University of Montana. He is active in the community, serving on several boards of directors for regional businesses and organizations. He represents the third generation of the Davidson family to serve in a senior leadership role within Davidson Companies.