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  1. About
  2. College leadership

College leadership

Please visit the Dean's Office directory for information about who to contact to schedule meetings with college leadership and a listing of units within the Dean's Office.

Saara J. DeWalt, Dean 

Headshot of Saara DeWalt

Saara J. DeWalt became dean of the College of Biological Sciences in 2023. She was a member of the Clemson University faculty for nearly two decades before joining the college. During that time, she served in a number of leadership and service roles including as chair of the biological sciences. A plant ecologist, Dr. DeWalt’s research is globally engaged and cuts across multiple biological sciences disciplines, using ecological and genetic techniques to address a number of questions in population, evolutionary, and community ecology. Among her contributions to her field, she served as president of the Association for Tropical Biology and Conservation. Dr. Dewalt received her Ph.D. in the biological sciences from Louisiana State University.

Learn more about Dean DeWalt

Laurie Parker, Associate Dean for Undergraduate Education

Portrait of Laurie Parker

Laurie Parker is a professor of Biochemistry, Molecular Biology, and Biophysics (BMBB). Her research is broadly directed at assay development for post-translational modifications, with a focus on protein phosphorylation by tyrosine kinases. Before becoming associate dean, Dr. Parker served as BMBB's director of undergraduate studies. In her role as associate dean for undergraduate education, she manages the development and coordination of innovative, longitudinal curricula across CBS in basic sciences education, oversees development of programs for assessment of student learning, and works with faculty to improve teaching.

Nikki Letawsky Shultz, Assistant Dean for Student Affairs and International Programs

Portrait of Nikki Letawsky Shultz

Nikki Letawsky Shultz received her Ph.D. from the University of Minnesota. Her research interests include student success at research universities and the career development of intercollegiate student-athletes. Nikki is a recipient of the University of Minnesota's President's Award for Outstanding Services and the National Association of Academic Advisors Outstanding Administrator Award. In her role, she implements and manages plans to support and enhance the undergraduate student experience and develops strategies, and manages programs designed to increase CBS undergraduate participation in learning abroad.

Margaret Titus, Associate Dean for Graduate Education and Postdocs

Portrait of Margaret Titus

Margaret Titus is a professor of genetics, cell biology, and development. She received her Ph.D. from Brandeis University and carried out her postdoctoral training at Stanford University School of Medicine. Her work combines biochemical, cell biological, and quantitative imaging approaches to understand how the unique enzymatic and structural properties of a given myosin power cellular movements or drive the formation of dynamic actin-based structures. She is a distinguished professor of teaching (Graduate and Professional Education). 

Jeffrey Gralnick, Associate Dean for Faculty; Interim Associate Dean for Research

Portrait of Jeff Gralnick

Jeffrey Gralnick is a professor of Plant and Microbial Biology, as well as Microbiology. He received his Ph.D. in bacteriology at the University of Wisconsin - Madison. His research focuses on integrating both classical and modern molecular approaches to understand how bacteria influence our planet and how they can be engineered for applications in bioremediation, bioenergy and biocatalysis. 

College of Biological Sciences

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1475 Gortner Ave
St. Paul, MN 55108

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420 Washington Ave. S.E.
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  • Future Students
    • Undergraduates
      • About CBS
      • Majors and minors
      • Schedule a tour of campus
      • Apply for admission
      • Transfer to CBS
      • Scholarships for incoming students
      • Information for admitted students
    • Graduate students
      • Graduate programs
      • Graduate School admissions
      • Funding for graduate students
  • Current Students
    • Undergraduates
      • Academic advising
      • Career readiness
      • Student engagement
      • Learning abroad
      • Research opportunities
      • Field courses
      • Scholarships
      • Dean's list
      • Graduation and commencement
    • Graduate students
      • Funding for graduate students
      • Graduate student governance
      • Policies, forms, and resources
      • Graduate commencement
      • Graduate program contacts
  • Academics
    • Majors and minors
    • Graduate programs
    • Departments
      • Biochemistry, Molecular Biology, and Biophysics
      • Biology Teaching and Learning
      • Ecology, Evolution, and Behavior
      • Genetics, Cell Biology and Development
      • Plant and Microbial Biology
    • Faculty directory
  • Research
    • Research at CBS
    • Undergraduate research
    • Field stations
      • Cedar Creek Ecosystem Science Reserve
      • Itasca Biological Station and Laboratories
    • Seminars
    • Centers and institutes
    • Facilities, resources and programs
  • About
    • About CBS
    • College leadership
    • CBS directory
    • News and events
    • Offices and services
      • Dean's office directory
      • Advancement
      • Facilities
      • Human resources
      • Marketing and communications
      • Research & Learning Technologies
      • Student Services
      • BioGEN administrative center
      • St. Paul Administrative Cluster
      • Instructional labs
    • Diversity, equity, and inclusion
    • Outreach and engagement
    • Award-winning faculty and staff
    • Resources for faculty and staff
    • Resources for postdocs
  • Alumni
    • Opportunities to engage
    • Alumni awards and recognition
    • News for alumni and friends
    • Update your contact info
  • Give
    • Giving to CBS
    • Ways to give
    • Donor impact
    • CBS Dean's Circle