Present
- Principal, RJM Consultants, Walnut Creek, CA. Technical Consultant - Marble Institute of America, Columbus, Ohio

1995-1997 - Vice President, Superior Tile Co., Oakland, CA

1984-1995 - Owner, RJM Tile, Inc., Oakland, CA

1971-1984 - Vice President, Superior Tile Co., Oakland, CA.

1961-1971 - Owner/Partner, Alves Tile & Marble, San Francisco,CA.

1959-1961 - Estimator, Clervi Marble Co., San Francisco, CA.

1956-1959 - Architectural Engineering, Heald Engineering College, San Francisco, CA.

1956 - Riordan High School, San Francisco, CA.