Note: Please see my updated website at LinkedIn.

Education

• Ph.D. in Biomedical Engineering, 2009, Washington University, St. Louis, MO
  Graduate research advisors: Joseph A. O'Sullivan, Ph.D. and Yuan-Chuan Tai, Ph.D.
  
• M.S. in Biomedical Engineering, 2006, Washington University, St. Louis, MO
  
• B.S. in Electrical Engineering, 2004, Tufts University, Medford, MA
  Undergraduate research advisor: Misha E. Kilmer, Ph.D.
  
• Second Major in Biomedical Engineering, 2004, Tufts University, Medford, MA
  

Conferences and Journal Articles

• D. Keesing, D. Pal, J. O’Sullivan, S. Komarov, Y.-C. Tai, "System Modeling of a DOI-Capable PET Insert Device for Breast Imaging," IEEE Medical Imaging Conference, Dresden, Germany, October 19-25, 2008.
• D. Pal, D. Keesing, J. O'Sullivan, S. Komarov, Y.-C. Tai, "Image Reconstruction Algorithm for a Half-Ring PET-Insert System," IEEE Medical Imaging Conference, Honolulu, HI, October 28-November 3, 2007.
• J. Williamson, D. Politte, J. O'Sullivan, D. Keesing, B. Whiting, D. Lazos, J. Evans, "Improving Noise vs. Resolution Tradeoffs in X-Ray CT Imaging by Statistical Image Reconstruction," AAPM, Minneapolis, MN, July 22-26, 2007.
• D. Keesing, J. O'Sullivan, D. Politte, B. Whiting, D. Snyder, "Missing Data Estimation for Fully 3D Spiral CT Image Reconstruction," SPIE Medical Imaging: Physics of Medical Imaging, San Diego, CA, February 17-22, 2007.
• D. Keesing, J. O'Sullivan, D. Politte, B. Whiting, "Parallelization of a Fully 3D CT Iterative Reconstruction Algorithm," IEEE International Symposium on Biomedical Imaging, Arlington, VA, April 6-9, 2006.
• M. Kilmer, D. Keesing, E. Miller, D. Boas, "3D Imaging of Absorption and Scatter for Diffuse Optical Tomography," SIAM Conference on Imaging Science, Salt Lake City, UT, May 3-5, 2004.
• D. Keesing, "A 3D Image Reconstruction Technique for Diffuse Optical Tomography," Research by Undergraduates in Mathematics Boston University Symposium, Boston, MA, April 24, 2004.
• D. Keesing, "A 3D Image Reconstruction Technique for Diffuse Optical Tomography," Tufts University Undergraduate Research & Scholarship Symposium, Medford, MA, March 13, 2004.
• E. Miller, A. Hamdi, D. Keesing, M. Kilmer, M. Franceschini, D. Boas, "Recursive Estimation Methods for Tracking of Localized Perturbations in Absorption and Scattering using Diffuse Optical Tomography," SPIE Electronic Imaging, San Jose, CA, January 18-22, 2004.
• M. Gerber, B. Hasselblatt, D. Keesing, "The Riccati equation: pinching of forcing and solutions," Experimental Mathematics, 12(2), pp. 129-134, June 2003.

Awards

• National Science Foundation Graduate Research Fellowship, Fall 2005 - Summer 2008