2013-Present Professor
Oceanographic Center
8000 N. Ocean Drive, USA;
Nova Southeastern University
Ft Lauderdale, Florida 33004

2019 - Present Chief Scientific Officer
Laboratory of Genomic Diversity
Center for Computer Technologies
ITMO University
49 Kronverkskiy Pr.,
St. Petersburg 197101 Russia

2012 joined the NSU Halmos College of Natural Sciences and Oceanography as Professor

December 2011 – 2019 Chief Scientific Officer: Theodosius Dobzhansl ky Center for Genome
Bioinformatics; St. Petersburg University; St Petersbburg Russia

1997 – 2011 Sylvio Conte Senior Biomedical Research Service Fellow-NIH

1986 – 2011 Chief, Laboratory of Genomic Diversity, National Cancer Institute,
NIH,Frederick

1983 – 1986 Chief, Laboratory of Viral Carcinogenesis, National Cancer Institute,
NIH, Frederick

1980 - 2011 Chief, Section of Genetics, Laboratory of Viral Carcinogenesis,
National Cancer Institute, NIH, Frederick

1978 - 1980 Research Geneticist, Laboratory of Viral Carcinogenesis,
National Cancer Institute, NIH, Frederick Chief - G.J. Todaro

1973 – 1978 Staff Fellow, Laboratory of Viral Carcinogenesis, National Cancer
Institute, NIH, Bethesda. Research area - cell genetics,
oncogenetics, tumor virology and immunology

1972 – 1973 NIH Postdoctoral Fellow, National Cancer Institute, NIH,
Bethesda,Supervisor, Charles W. Boone; research area - somatic
cell genetics and development

1971 - 1972 Postdoctoral Fellow, genetics-biochemistry, Gerontology Research
Center, Baltimore; Supervisor, Bertram Sacktor; research area -
genetic control of bioenergetics.

1974 - Date Adjunct Professor of Genetics, George Washington University

1979 - Date Adjunct Graduate Advisor, Dept. of Biology, American University

1982 - Date Adjunct Professor, Dept. of Zoology, University of Maryland

1982 - Date Adjunct Professor, Dept. of Biology, Johns Hopkins University

1982 - Date Adjunct Graduate Advisor, Dept. of Biology, Hood College

1994 - Date Adjunct Professor, Dept. of Pathology, Colorado State University

1994 - Date Adjunct Professor,, Dept. of Biology, George Mason University

1996 - Date Adjunct Professor, Dept. of Biology, Peking University

2004 –Date Adjunct Professor, Harvard School of Public Health

1996 - Date Director, AGA/ Smithsonian NOAHS Center Short Course:
Recent Advances in Conservation Genetics; worldwide

2012-Date Professor .St Petersburg University, Russia

1997: Visiting Fellow, Merton College, Oxford University, Oxford