Background
Christoffersen, Ralph Earl was born on December 4, 1937 in Elgin, Illinois, United States. Son of Arthur Henry and Mary Christoffersen.
Christoffersen, Ralph Earl was born on December 4, 1937 in Elgin, Illinois, United States. Son of Arthur Henry and Mary Christoffersen.
Bachelor of Science, Cornell College, 1959; Doctor of Laws (honorary), Cornell College, 1983; Doctor of Philosophy, Indiana U., 1963.
Assistant professor of chemistry, U. Kansas, Lawrence, 1966-1969; associate professor, U. Kansas, 1967-1972; professor, U. Kansas, 1972-1981; assistant vice chancellor for academic affairs, U. Kansas, 1974-1975; associate vice chancellor for academic affairs, U. Kansas, 1976-1979; vice chancellor for academic affairs, U. Kansas, 1979-1981; president, Colorado State University, Fort Collins, 1981-1983; executive director, Upjohn Company, 1983-1985; vice president biotechnology and basic research support, Upjohn Company, 1985-1987; vice president discovery research, Upjohn Company, 1987-1989; vice president research, SmithKline Beecham Beecham, King of Prussia, Pennsylvania, 1989-1990; senior vice president research, SmithKline Beecham Beecham, King of Prussia, Pennsylvania, 1990-1992; Chief Executive Officer, president, Ribozyme Pharmaceuticals, Inc., Boulder, Colorado, since 1992. Board directors Keystone Symposia, Genomica Corporation.
Fellow American Institute Chemists. Member American Chemical Society, American Physical Society (vice president theoretical division 1981), International Society Quantum Biology (president 1977-1979), Pharmaceutical Manufacturers Association (chairman biotechnology advising committee 1983-1986, chairman Research and Development steering committee 1989-1990), Sigma Xi, Phi Lambda Upsilon. M C.
Married Barbara Hibbard, June 10, 1961. Children: Kirk Alan, Rachel Anne.