Science and Practice Subcommittee Members

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These committees are established according to Article VIII, Section 8.02 of the Bylaws. The Science and Practice Committee is composed of the Chairman of the Science and Practice Committee and each of the Science and Practice Subcommittee Chairs.

Chairperson of the Science and Practice Committee

  • Lesley Hammer, AK USA 2026


2024-2025 IAI Science and Practice Subcommittees

These subcommittees provide subject matter expertise within their respective disciplines, assist in the development and evaluation of education conference.


Biometrics Technology

  • Bethany Retton, WV, USA Chair - 2026
  • Michael French, WA, USA
  • Ben Bavarian, CA, USA
  • John Splain, VA, USA
  • Ioan Truta, MA, USA
  • Kurt Aebersold, Switzerland   
  • Sam Cilento, WV, USA
  • Greg Fiumara, VA, USA  - Ad hoc
  • Dawn Schilens, OH, USA  - Ad hoc
  • Jim Maurer, MA, USA  - Ad hoc


Bloodstain Pattern Analysis

  • Toby Wolson, FL, USA Chair - 2026
  • Ken Martin, MA, USA
  • Celestina Rossi, TX, USA
  • Amy Santoro, KS, USA


  • Travis Kirkley, TX, USA
  • Jeff Gentry, CA, USA
  • Casson Reynolds, NC, USA

Crime Scene Investigation

  • Michele A. Smith, LA, USA Chair - 2026
  • Emma Sentz, MD, USA
  • Sean Conner, AZ USA
  • Neil Zielinski, FL USA
  • Jaclynn McKay, NC, USA
  • Michael Kessler, TX, USA
  • Britney Webb, TX, USA
  • Chelsea Reed, MN, USA - DNA Seat   
  • Casie Fisher, TX, USA - DNA
  • Maria Pettolina, NY, USA - DNA - ad hoc
  • Shauna Steffan, GA, USA - DNA - ad hoc


Digital and Multimedia Evidence

  • Kim Meline, VA, USA Chair 2027
  • Kenneth Marr, VA, USA
  • Allen Combs, WA, USA
  • Jason Latham, CO, USA
  • Andrew Blake Sawyer, TX, USA
  • Joshua Yonovitz, CT, USA


Facial Identification

  • Steve Johnson, PA, USA Chair 2025
  • Dr. Trine Edvardsen, Denmark
  • Dr. Nicole Spaun, VA, USA
  • Daniel Heltemes, AZ, USA
  • Lora Sims, WV, USA
  • Heather Murray, WV, USA
  • Dr. Richard Vorder Bruegge, VA, USA


Footwear and Tire Track Examination

  • Emily Rice, NH, USA Chair 2026
  • Jeremy John, GA, USA
  • Lisa Ragaza, CT, USA
  • Sherri Hughes, AK, USA
  • Jennifer Riedel, OR, USA
  • Dianne McConaghey, FL, USA
  • Rachael Martinez, NH, USA
  • Wai Suze Au, NY, USA - ad hoc


Forensic Art

  • Duncan Way, ON, Canada, Chair 2029
  • Jenny Kenyon, DC, USA
  • Natalie Murry, TX USA
  • Beth Buchholtz, CO, USA
  • Dr. Daniel Marion, CO, USA
  • Moises Martinez, NJ, USA
  • Diego Restrepo, NJ, USA  Ad-hoc


Forensic Photography and Electronic Imaging

  • Stephanie Hoffman, UT, USA, Chair 2026
  • David F. Larraguibel, ON, CA
  • Craig Cupp, GA, USA
  • David 'Ski' Witzke, CA, USA
  • Jenna Walker, VA, USA
  • Brandon Nabozny, AZ, USA
  • Brett Doretti, CA, USA
  • Mark Zabinski, RI, USA  Ad-hoc
  • Chris Lowther, GA, USA  Ad-hoc



General Forensics

  • Ray Jorz, OH, USA - Chair- 2026
  • Michael Hullihan, GA, USA
  • Tracey Bloomfield-McTavish, ON, Canada
  • Shelly Brazelle, DC, USA
  • Michael Nirenberg, IN, USA
  • Christine Miller, FL, USA
  • Amy DuBeau, AK ,USA


Latent Print Identification

  • Mack Brazelle, MD, USA Chair 2025
  • Jack Flanders, TX, USA
  • Tracy Lipskoch, TX, USA
  • Jennifer McCampbell, TX, USA
  • Robin Ruth, VA, USA
  • Heather Hammond, TN, USA
  • Jamie Nadig, AK, USA
  • Christopher ‘CJ’ Cavazos, MD, USA - ad hoc
  • Francesco Zampa, Italy - ad hoc


Latent Print Development

  • Karley Ridgell, LA, USA Chair 2026
  • Michelle Podhirny, CO, USA
  • Caitlin Withum, AL, USA
  • Erin Armstrong, MD, USA
  • Michelle Sherwood Stark, VA, USA
  • Matthew Marvin, MS, USA


Tenprint Identification

  • Christie VanAndel, NE, USA - Chair- 2026
  • Cheri Ivers, NE, USA
  • Dawn Watkins, FL, USA
  • Rachel Wiese, LA, USA
  • Amanda Moore, LA, USA
  • Brian Turner, FL, USA
  • Paris Anthony, CA, USA
  • Rachel Peterson, WA, USA - ad hoc
  • Andrea Louis-Charles, FL, USA - ad hoc