Background
Johnsson, Mark Jeffrey was born on October 5, 1960 in Hancock, Michigan, United States. Son of Robert George and Fanny Walker (Miller) Johnsson.
Johnsson, Mark Jeffrey was born on October 5, 1960 in Hancock, Michigan, United States. Son of Robert George and Fanny Walker (Miller) Johnsson.
Bachelor, Johns Hopkins University, 1982; Master of Science, Dartmouth College, 1984; Master of Science, Princeton University, 1986; Doctor of Philosophy, Princeton University, 1989.
Geologist, United States Geological Survey, Menlo Park, California, 1989-1993; academic coordinator earth systems program, Stanford (California) U., 1992-1993; assistant professor, director environmental science program, Bryn Mawr (Pennsylvania) College, since 1993.
Member American Geophysical Union, Geological Society American (1st vice-chairman sedimentary geology division 1997-1998, chair sedimentary geology division 1998-1999), National Speleol. Society, SEPM: Society Sedimentary Geology, Sigma Xi.
Married Patricia Ann Maurice, August 7, 1982 (divorced August 1994).