Current Research Interests

Astrobiology, Microbial Paleontology, Molecular Evolution and Geonomics, and Geomicrobiology

---

RESEARCH INTERESTS: 

Astrobiology, microbial diversity and cultivation, microbial paleontology, molecular evolution and genomics, & geomicrobiology 
  

RESEARCH EXPERIENCE: 
       
     Summer Fellow with S.L. Miller (1993 and 1994) 
          NASA Specialized Center for Research and training in Exobiology
          (NSCORT)

     Adjunct Fellow with S. L. Miller (1994) 
          NSCORT in Exobiology 

     Graduate Fellow with J. W. Schopf (1996-1997) 
           UCLA Center for the study of Evolution and the Origin of Life (CSEOL) 

     Visiting Researcher with Karl O. Setter (1997) 
           Lehrstuhl für Mikrobiologie 
           Regensburg, Germany

     Teaching/Research Assistant (1996-1999) 
           Department of Earth and Space Sciences 
           University of California, Los Angles 
           Los Angeles, California

     Research Assistant (1989-1999) 
           IGPP Center for Astrobiology 
           University of California, Los Angeles, 
           Los Angeles, California 

     Assistant Professor of Astrobiology (2000-) 
           Department of Geosciences 
           Penn State University 
           University Park, Pennsylvania