Keynote Lecture, 5th Young Researchers Conference, College Park, MD, September 29, 2018
Plenary Lecture, 12th Annual Undergraduate Research Symposium in the Biological & Chemical Sciences, William Paterson University, Wayne, NJ, April 14, 2018
Leo and June Davis Frontiers Lecture, University of Iowa, Aimes, Iowa City, March 29-30, 2018
Distinguished Lecture, Middle Tennessee State University (MTSU) Murfreesboro, TN, March 1-2, 2018
Distinguished Lecture, Emory University, Atlanta, GA, January 25-26, 2018
Faces of Science Seminar, NU Building on Diversity (NU BonD), Northwestern University, Evanston, IL, September 27, 2017
Diversity Lecture 4.0, University of Cincinnati, OH, September 22, 2017
Chem Connect Lecture, Duke University, Durham, NC, September 20, 2017
Herty Medal Award Lecture, Atlanta, GA, September 8, 2017
Telluride Town Talk, Telluride, CO, June 27, 2017
Castle Lecture, University of South Florida, Tampa, FL, March 25, 2017
NSF MPS/ODI Distinguished Lecture, National Science Foundation, Arlington, VA, April 25, 2016
Phi Beta Kappa Lecture, University of Oklahoma, Norman, OK, March 24-25, 2016
Phi Beta Kappa Lecture, Kansas State University, Manhattan, KS, March 21-22, 2016
Phi Beta Kappa Lecture, College of St. Benedict, Collegeville, MN, Feb. 8-9, 2016
Phi Beta Kappa Lecture, University of The South, Sewanee, TN, Oct. 22-23, 2015.
Phi Beta Kappa Lecture, College of Wooster, Wooster, Ohio, Sept. 24-25, 2015.
“Encouraging Disadvantaged Students into Careers in the Chemical Sciences: Symposium in Honor of Rigoberto Hernandez,” organized by Robert Lichter, Charles Liotta and Larry Dalton, 248th ACS Spring Meeting, San Francisco, CA, August 12, 2014.
Andreoli-Woods Lecture, California State University, Los Angeles, CA, June 6, 2014.
5th Annual Chevy Goldstein Distinguished Lecture, California State Polytechnic University, Pomona, CA, May 4, 2012.
Closs Lecture, University of Chicago, Chicago, IL, October 18, 2011.
Plenary Lecture, 29th Puerto Rico Interdisciplinary Scientific Meeting (PRISM 2009), Río Piedras, Puerto Rico, March 14, 2009.