Public Talks
- "Our first interstellar asteroids: Questions, Answers...Aliens?", Astronomy on Tap Baltimore/DC (January 2018)
- "UMD science with the Discovery Channel Telescope and our longstanding ties to Lowell Observatory", Observatory Open House Lecture, University of Maryland (June 2017)
- "Insights from 20 years of SOHO comets," AstroTerps, University of Maryland (February 2017)
- "Insights from 20 years of SOHO comets," College Park Scholars "Science, Discovery and the Universe" (November 2016)
- "Comets Observed by SOHO" National Capital Astronomers (September 2016)
- "Insights from 20 years of SOHO comets," Planetary Astronomy Lunchtime Seminar, University of Maryland, April 2016 (16 additional talks 2002-2016)
- "A Quick Introduction to Comet Observations" SRE Summer Intern Seminar Series, Johns Hopkins University Applied Physics Laboratory (July 2014)
- "Preparing for an observing run," Career Paths/Survival Skills Seminar, University of Maryland (October 2013)
- "Death Defying Comet Lovejoy," Observatory Open House Lecture, University of Maryland, February 2012 (3 additional talks 2004-2012)
- "An Introduction to Sungrazing Comets," NAU Outer Solar System Lunch, Flagstaff, AZ (January 2012)
- "Chasing Comet Lulin," Lowell Observatory Advisory Board meeting, Flagstaff, AZ (June 2009)
- "Studies of SOHO Comets," Astronomy Unjournal Club, University of Maryland, Spring 2008 (4 additional talks 2002-2008)
- "Recent Evolution of the Kracht Group of Comets," Spotlight on Graduate Research, University of Maryland (December 2007)
- "How Well Do We Understand the Cometary Hazard?" Graduate Research Interaction Day, University of Maryland (April 2003)
- "Comets Observed with SOHO/LASCO," Intel/Hayden Planetarium student visit to University of Maryland (March 2003)