PRESENT POSITION
Associate Professor in Department of Geosciences and joint appointment in Department of Chemistry and Biochemistry, Texas Tech University.

EDUCATION
1989-1991, National Research Council Postdoctoral Fellow, NASA – JSC (Houston)
Postgraduate Sponsor: Everett Gibson, Jr.
1988-Ph.D., Geochemistry, Department of Geophysical Sciences, Univ. of Chicago
Graduate Advisor: Robert N. Clayton
1978-B.S. Geology, University of Iceland

ACADEMIC AND PROFESSIONAL POSITIONS
8/97 to present - Texas Tech University, Associate Professor, Dept. of Geosciences
7/2001-8/2001 – Visiting Scientist, Nordic Volcanological Institute, Reykjavik, Iceland
7/91 to 8/97 - Texas Tech University, Assistant Professor, Dept. of Geosciences
1982-1989 - University of Chicago, Research/Teaching assistant
1983 - Science Institute/Nordic Volcanic Institute (Iceland), Research Associate
1981-1982 - National Energy Authority (Iceland), Research Associate
1980 - Materials Science Institute (Iceland), Research Assistant
1978 - Science Institute (Iceland), Research Assistant
1978 - University of Iceland (Iceland), Teaching Assistant
1976 - Science Institute/Oceanic Institute (Iceland), Research Assistant
1976–1979 - Icelandic Museum of Natural History, Field Assistant/Assistant Curator

TEACHING
Environmental Geology, Graduate Seminar, Inorganic Geochemistry, Isotope Geochemistry, Optical Mineralogy, Physical Geology, Physical Geology Laboratory Coordinator.

HONORS
Obering Field Work Grant - Department of Geophysical Sciences, Univ. of Chicago.
Finnegan MAT Scholarship. National Research Council Associateship Award, 1989-1991. Invited speaker at Zeolite 93 - 4th International Conference on the Occurrence, Properties, and Utilization on Natural Zeolites, 1993.
Texas Tech University Nominee for NSF Presidential Faculty Fellows Program, 1993.

RESEARCH INTERESTS
Karlsson specializes in stable isotope geochemistry and has over 16 years of experience in the field. Current and past projects include: paleoclimatic history using carbonates from soils (caliche); geochemistry of zeolites and hydrous minerals; origin of Martian hydrosphere and atmosphere; meteorites; low-temperature geochemistry; petrogenesis of igneous rocks with special interest in Iceland.