Invited Speaker at the Symposium on "Preparation and Reactions of Early Transition Metal and Lanthanide Compounds", PACIFICHEM—2010, Honolulu, Hawaii,December 15–20, 2010
Board of Trustees Professor Seminar, Northern Illinois University,March 22, 2011
IMEBORON XIV, Niagara Falls, Canada,September 11–15, 2011
Department of Biological Sciences, DePaul University, Chicago,October 20, 2011
IDTechEx Printed Electronics USA 2011 Conference, Santa Clara,Nov. 30–Dec. 1, 2011
Chemistry Department, Rutgers University—Newark, New Jersey,March 14, 2012
Feature Speaker at Alumni Association's Distinguished Professorship Lecture Series onNew Frontiers of Nanotechnology, William Paterson University, New Jersey,March 15, 2012
Institut für Anorganische Chemie der Univ. Stuttgart & Max‐Planck Institute,April 30, 2013
Plenary Speaker at the Simposio Nacional en Ciencias Quimicas at the Universidad de Colima,August 22–23, 2013
Plenary Speaker at Organometallic and Coordination Chemistry: Fundamental & Applied Aspects International Ship Conference at Nizhny Novgorod, INEOS RAS,September 1–7, 2013
Public Lecture on Positivity at Ningbo Institute of Materials Technology & Engineering (NIMTE) of the Chinese Academy of Sciences, Ningbo City, China,December 26, 2013
Keynote Speaker at the International Conference on Chemistry Cutting Edge: Nano, Green and Beyond held at St. Xavier College, Mumbai,January 6–7, 2014
Bhabha Atomic Research Center (BARC), Trombay, Bombay, India,January 8, 2014
The Chinese University of Hong Kong, Shatin, Hong Kong,December 31–January 11, 2000
Shanghai Institute of Organic Chemistry, Shanghai, China,January 12–14, 2000
University of Notre Dame, Notre Dame, Indiana,April 7, 2000
Anorganisch‐Chemisches Kolloquium, Universität Göttingen,May 22, 2000
Anorganisch‐Chemisches Kolloquium der drei Berliner Universitäten,May 24, 2000
Anorganisch und Physikalisch Chemisches Kolloquium, Universität Bremen,May 25, 2000
Anorganisch‐Chemisches Kolloquium, Universität zu Köln,May 29, 2000
Kolloquium der Fakultät für Chemie, Universität Heidelberg,May 30, 2000
Anorganisch‐Chemisches Kolloquium, Universität München,May 31, 2000
Organisch und Anorganisch‐Chemisches Kolloquium, Universität Erlangen,June 5, 2000
Gemeinsames Kolloquium des Instituts für Anorganische Chemie, Universität Hohenheim, des Max‐Planck‐Instituts für Festkörperforschung an der Universität Stuttgart,June 6, 2000
Clarke College, Dubuque, Iowa,October 16, 2000
Johnson Matthey, West Deptford, New Jersey,October 23, 2000
Western Illinois University, Macomb, Illinois,October 27, 2000
The Ohio State University, Columbus, Ohio,April 11, 2001
Lab. de Chimie du Solide et Inorg. Moléculaire, CNRS—Université de Rennes,July 5, 2001
Xth Internatl. Conf. on Coord. & Orgmet. Chem. of Ge, Sn & Pb, Bordeaux,July 8–12, 2001
2001 Gordon Research Conference on Inorganic Chemistry, Newport, RI,July 15–20, 2001
South Jersey Section—American Chemical Society, Cologne, New Jersey,October 16, 2001
The University of Wisconsin—Platteville, Platteville, WI,November 2, 2001
Loras College, Dubuque, Iowa,December 5, 2001
2002 BNCT Conference at Kyoto Univ. Research Reactor Institute, Japan,February 19–20, 2002
Royal Society of Chemistry Lecture, Indian Institute of Science, Bangalore,March 12, 2007
Centro de Investigacion y de Estudios Avanzados del IPN (CINVESTAV),November 30, 2007
Kilpatrick Lecture, Illinois Institute of Technology, Chicago, Illinois,December 7, 2007
Korea Institute of Science and Technology, Chemistry Department, Seoul,March 10, 2008
SK Energy R&D Center, Daejeon, Korea,March 11, 2008
Wonik Materials, Seocho‐gu, South Korea,March 11, 2008
Chosun University, Gwangju, South Korea,March 13, 2008
Korea University Chemistry Department, Chochiwon, Korea,March 12 & 14, 2008
Institute of Chemical and Engineering Sciences, Singapore,March 19, 2008
National University of Singapore (NUS), Singapore,March 20, 2008
Graz University of Technology, Graz, Austria,July 1, 2008
Kishwaukee Community Hospital, DeKalb, Illinois,August 12, 2008
Symposium on Hybrid Nanomaterials: Impact on Modern Materials and Opportunities for Industrial Applications, 236th ACS National Meeting, Philadelphia,August 17–21, 2008
Northern Illinois University Nursing School,October 1, 2008
University of Minnesota—Duluth, Duluth, Minnesota,October 3, 2008
3rd International Workshop: “Recent Advances in Chemistry”, Colima, Mexico,Oct 8–10, 2008
Lifelong Learning Institute, Northern Illinois University,February 4, 2009
Center for Biochemical and Biophysical Studies (CBBS),February 6, 2009
Symposium honoring Alan H. Cowley's ACS Award for Distinguished Service in Inorganic Chemistry, 237th ACS National Meeting, Salt Lake City,March 22–26, 2009
Institut für Anorganische Chemie der Johannes‐Gutenberg‐Universität , Mainz,May 26, 2009
Institut für Anorganische Chemie der Goethe Universität Frankfurt,May 27, 2009
Institut für Anorganische Chemie der Universität Karlsruhe,May 29, 2009
Institute European de Chimie et Biologie of Université Bordeaux I‐ ISM‐IECB,June 5, 2009
Institut für Anorganische Chemie der Universität Stuttgart & Max‐Planck Institute,June 9, 2009
SpecialGDCh Lecture at Universität Leipzig,June 10, 2009
Institut für Anorganische Chemie der Universität Münster,June 17, 2009
Chemistry Department, University of Illinois at Urbana–Champaign,September 22, 2009