• Financial Economist
  Division of Economic and Risk Analysis
  U.S. Securities and Exchange Commission
  2014-present
• Research Associate
  Division of Economic and Risk Analysis
  U.S. Securities and Exchange Commission
  2011-2014
• Instructor in Math and Physics
  University of Wisconsin-Green Bay
  2008-2010
• Instructor in Math
  Purdue University
  2006-2008
• Department Chair
  Department of Physics and Computer Science
  Presbyterian College
  2005-2006
• Associate Professor in Physics
  Presbyterian College
  2002-2006
• Assistant Professor in Physics
  Presbyterian College
  1996-2002

Public Reports and White Papers:

• Private Liquidity Funds: Characteristics and Risk Indicators (Jan. 2017)
• Municipal Money Market Fund Exposure to the Parents of Guarantors (Mar. 2014)
• Government Money Market Fund Exposure to Non-Government Securities (Mar. 2014)
• The Exposure Money Market Funds Have to the Parents of Guarantors (July 2013)
• The Exposure Money Market Funds Have to the Parents of Issuers (July 2013)
• Response to Questions Posed by Commissioners Aguilar, Paredes, and Gallagher (Nov. 2012)

Publications in Journals:

• King, J., Deliyannis, C., Hiltgen, D., Stephens, A., Cuhna, K., and Boesgaard, A., 1997, Lithium Abundances in the Solar Twins 16 Cyg A and B and the Solar Analog Cen A, Calibration of the 6707A Li Region Line List and Implications, Astronomical Journal 113, 1871
• King, J., and Hiltgen, D., 1996, Lithium in a Praesepe Short-Period Binary, Astron. Soc. Pac, 108, 246.
• King, J., and Hiltgen, D., 1996, Stellar Oxygen Abundances V: Abundances of Two Hyades Dwarfs from the 6300A [OI] Line, Astronomical Journal 112, 2650.
• Benjamin, R., Venn, K., Hiltgen, D., and Sneden, C., 1996, Distance to an X-ray Shadowing Molecular Cloud in Ursa Major, Astrophysical Journal 464, 836.
• King, J., Hiltgen, D., Delyiannis, C., and Boesgaard, October, 1995, A., Lithium Abundances in a Solar Analog Pair, 9th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Florence, Italy.
• Krelowski, J., Sneden, C., and Hiltgen, D., 1995, A Survey of Weak Diffuse Interstellar Bands Between 5600A and 7000A, Planetary and Space Science: Dust, Molecules and Backgrounds; from laboratory to space Vol. 43, No. 10/11, 1195.
• Lee, Danly, Sneden, Hiltgen, Albert, Krick, Baldwin, and Jackson, 1995, An Optical Survey of Large Interstellar Structures, BAAS , 27, No. 2, 864.
• Hiltgen, D., and Sneden, C., 1994, TiLithium in Evolved Starstle BAAS, 26, No. 4, 1476.