Our Team

The people of SPM provide the intellectual energy that powers our strategies and our performance. Drawn from some of the best trading desks, academic institutions and research facilities around the world, and combining decades of experience, the SPM team brings together peak “on the job” knowledge, coupled with cutting edge theoretical insights to bear upon the problems of managing complex investments in complex markets. Members of SPM’s Leadership Team include:

Organization Chart

Don Brownstein

Executive Chairman

Mr. Brownstein founded SPM in 1997 and serves as the Firm's Executive Chairman. Prior to SPM, Mr. Brownstein managed CDC Servicing, Inc., a specialized investment subsidiary of the Caisse des Depots et Consignations. Prior to this, Mr. Brownstein worked in portfolio management at Franklin Savings Association, a leader in the development of quantitative methods for the management of mortgage-backed securities. Earlier in his career, Mr. Brownstein had spent 20 years as a professor in the Philosophy Departments of the University of Kansas and the University of Texas. He holds a Ph.D. in Philosophy from the University of Minnesota, a B.A. from Queens College in New York City and was a Visiting Scholar at the Center for the Study of Language and Information at Stanford University.