1.      Aromaticity 2018 Symposium – Cancun, Mexico, November 28-December 1, 2018 (Organizers: Profs. Gabriel Merino, Miquel Sola & Henrik Ottossson)

2.      Purdue University – Lafayette, Indiana, October 30, 2018 (Host: Prof. Mingji Dai)

3.      Drexel University – Philadelphia, Pennsylvania, October 5, 2018 (Host: Prof. Dionicio Martinez Solorio)

4.      Temple University – Philadelphia, Pennsylvania, October 4, 2018 (Host: TBA)

5.      2nd Symposium on Chemistry, Biology, Medicine @ University of Crete – Heraklion, Crete/Greece, September 21-25, 2018

6.      University of Alberta, 2018 Organic Reactions Lecture – Edmonton, Canada, September 10, 2018 (Host: Prof. Dennis Hall)

7.      University of Calgary – Calgary, Canada, September 7, 2018 (Host: Prof. Chang-Chun Ling)

8.      2nd International Symposium on New Molecules and Clusters @ Fudan University – Shanghai, China, August 18-20, 2018

9.      Jiangsu Normal University – Xuzhou, China, June  2018 (Host: Prof. Feng Shi)

10.    Wuxi Apptec – Shanghai, China, June 2018 (Host: Drs. Rujian Ma & Tao Hu)

11.    Roche-RSC International Symposium on Scientific Frontiers to Enable Drug Discovery @ ShanghaiTech University  Shanghai, China, June 1-2, 2018

12.    Modern Frontiers in Medicinal Chemistry - 2018 Canadian Chemistry Conference and Exhibition – Edmonton, Canada, May 28, 2018 (Michael Meanwell, CSC Organizing Committee)

13.    Seventh European Workshop in Drug Synthesis (VII EWDSy)– University of Siena, Siena, Italy, May 20-24, 2018 (Organized by Prof. Maurizio Botta) 

14.    2018 International Symposium on Resource Chemistry (ISRC 2018) – Shanghai, China, May 11-12, 2018 (Organized jointly by the International Joint Laboratory of Resource Chemistry between Shanghai Normal University, National University of Singapore and Princeton University)

15.    National University of Singapore – Singapore, May 7-9, 2018 (Host: Prof. Yu Zhao)

16.    XIV Meeting of the Mexican Academy of Organic Chemistry (AMQO 2018) – (Plenary Lecturer), Merida, Mexico, March 19-23, 2018

17.    Florida Heterocyclic Conference (FloHet) – Gainesville, Florida, March 4-7, 2018

18.    Southwestern Research Institute (SwRI) – San Antonio, Texas, October, 2017 (Host: Drs. Varsin Archer and Shawn Blumberg)

19.    52nd Mexican Chemical Congress & 36th National Mexican Chemistry Education Congress (Plenary Lecturer) – Puerto Vallarta Jalisco, Mexico, September 26-29, 2017

20.    18th Tetrahedron Symposium Asia Edition (Keynote Speaker) – Melbourne, Australia, July 23-27, 2017

21.    Institute of Chemistry & Biomedical Sciences (ICBMS), Nanjing Univ. – Nanjing, China, July 13, 2017 (Host: Prof. Guigen Li)

22.    18th Tetrahedron Symposium (Keynote Speaker) – Budapest, Hungary, June 27-30, 2017

23.    Shanghai Institute of Organic Chemistry (SIOC) – Shanghai, China, May 17, 2017 (Host: Profs. Shuli You and Ang Li)

24.    Shanghai Lilly (LCRDC) – Shanghai, China, May 17, 2017 (Host: Dr. Jing Ye Zhou)

25.    2017 International Symposium on Resource Chemistry (ISRC 2017) – Shanghai, China, May 15-16, 2017 (Organized jointly by the International Joint Laboratory of Resource Chemistry between Shanghai Normal University, National University of Singapore and Princeton University)

26.    University of Strasbourg, Institute of Chemistry CNRS – Strasbourg, France, May 5, 2017 (Host: Prof. Michel Miesch)

27.    University of Leipzig – Leipzig, Germany, May 3, 2017 (Host: Prof. Kirsten Zeitler)

28.    Technical University of Berlin – Berlin, Germany, May 2, 2017 (Host: Prof. Martin Oestreich)

29.    University of Magdeburg – Magdeburg, Germany, April 28, 2017 (Host: Prof. Dieter Schinzer)

30.    University of Göttingen – Göttingen, Germany, April 27, 2017 (Host: Prof. Lutz Ackermann)

31.    University of Münster – Münster, Germany, April 26, 2017 (Host: Prof. Frank Glorius)

32.    Max–Planck–Institut (MPI) für Kohlenforschung – Mülheim, Germany, April 25, 2017 (Host: Prof. Benjamin List)

33.    University of Cologne – Cologne, Germany, April 24, 2017 (Host: Prof. Albrecht Berkessel)

34.    Institute of Organic Chemistry RWTH Aachen University – Aachen, Germany, April 21, 2017 (Host: Prof. Carsten Bolm)

35.    University of Marburg – Marburg, Germany, April 20, 2017 (Host: Prof. Eric Meggers)

36.    ICIQ (The Institute of Chemical Research in Catalonia) – Tarragona, Spain, April 18, 2017 (Host: Profs. Julio Lloret & Antonio  M. Eschavarren)

37.    Aalto University – Helsinki, Finland, April 13, 2017 (Host: Prof. Ari Koskinen)

38.    Duke University – Durham, NC, March 28, 2017 (Host: Prof. Jennifer Roizen)

39.    North Carolina State University (NCSU) – Raleigh, NC, March 27, 2017 (Host: Prof. Vincent Lindsay)

40.    Merck Research Laboratories (Process Chemistry) – Rahway, NJ, March 16, 2017 (Host: Dr. Tamás Benkovics)

41.    AbbVie (Medicinal Chemistry) – Chicago, IL, February 24, 2017 (Host: Dr. Chris Marvin)

42.    Emory University – Atlanta, GA, February 15, 2017 (Host: Prof. Albert Padwa)

43.    A*Star-ICES (Institute of Chemical and Engineering Sciences at the Biopolis) – Singapore, January 11, 2017 (Host: Prof. Lim Yee Hwee)

44.    National University of Singapore – Singapore, January 10, 2017 (Host: Prof. Zhao Yu)

45.    Nanyang Technological University – Singapore, January 9, 2017 (Host: Prof. Choon-Hong Tan)

46.    Nanjing Tech University – Nanjing, China, December 14, 2016 (Host: Prof. Teck-Peng Loh)

47.    Texas State University– San Marcos, TX, November 21, 2016 (Host: Prof. Alexander V. Kornienko)

48.    The 3rd International Symposium on Natural Product Synthesis and Innovative Process Methods (NPSPM) forDrug Manufacture – Peking University, Beijing, China, October 14-16, 2016 (Organizer & Host: Prof. Zhi-Xiang Yu)

49.    University of Arizona – Tucson, AZ, September 1, 2016 (Host: Prof. Jon Njardarson)

50.    University of New Mexico – Albuquerque, NM, August 26, 2016 (Host: Prof. Wei Wang)

51.    Nanjing University – Nanjing, China, July 21, 2016 (Host: Prof. Guigen Li)

52.    Eötvös Lóránd University (ELTE) – Budapest, Hungary, July 18, 2016 (Host: Prof. Zoltán Novák)

53.    23rd IUPAC Conference on Physical Organic Chemistry – Sydney, Australia, July 3-8, 2016 (Organizer: Prof. Jason Harper)

54.    Australian National University (ANU) – Canberra, Australia, July 1, 2016 (Host: Prof. Michael Sherburn)

55.    Monash University – Melbourne, Australia, June 29, 2016 (Host: Prof. David Lupton)

56.    ACS Green Chemistry & Engineering Conference – Portland, OR, June 14-16, 2016 (Organizer: Dr. Daniel Richter, Pfizer)

57.    Bristol-Myers-Squibb (BMS) Symposium at the University of Michigan – Ann Arbor, MI, May 31, 2016 (Host: Professor Pavel Nagorny)

58.    Oregon State University – Corvallis, OR, May 12, 2016 (Invitation by Professor Paul Ha-Yeon Cheong)

59.    International Symposium on Resource Chemistry – Shanghai, China, January 14-15, 2016 (Organized jointly by the International Joint Laboratory of Resource Chemistry between Shanghai Normal University, National University of Singapore and Princeton University)

60.    PACIFICHEM Organocatalysis Symposium – Honolulu, HI, December 15-19, 2015 (Organizers: Profs. M. Terada & J. Antilla)

61.    PACIFICHEM Applications of C-H Functionalization Symposium – Honolulu, HI, December 15-19, 2015 (Organizers: Profs. P. Vachal, Zhang-Jie Shi, Chao-Jun Li, Huw Davies, Kenichiro Itami, Helen Lebel)

62.    PACIFICHEM Innovative Strategies for the Synthesis of Nitrogen Heterocycles Symposium – Honolulu, HI, December 15-19, 2015 (Organizers: Profs. R. Danheiser & T. Fukuyama)

63.    Colorado State University – Fort Collins, CO, October 5, 2015 (Host: Prof. Tomislav Rovis)

64.    50th Anniversary Symposium of the Department of Chemistry at the Center for Advanced Studies and Research of the National Polytechnic Institute (Cinvestav) – Mexico City, Mexico, September 28-29, 2015 (Host: Prof. J.A.L. Montelongo)

65.    10th International Congress of Pharmaceutical Sciences (CIFARP; http://www.cifarp.com.br– Ribeirão Preto, Brazil, September 5-9, 2015 (Host: Prof. Flavio da Silva Emery)

66.    Wuxi Apptec – Shanghai, China, August 6, 2015 (Host: Drs. Rujian Ma & Qiang Han)

67.    Shanghai Jiao-Tong University – Shanghai, China, August 5, 2015 (Host: Prof. Wanbin Zhang)

68.    Wuxi Apptec – Wuhan, China, August 4, 2015 (Host: Dr. Rongfeng Gao)

69.    Nanjing University – Nanjing, China, August 3, 2015 (Host: Prof. Guigen Li)

70.    Shanghai Normal University – Shanghai, China, July 30, 2015 (Host: Prof. Hexing Li)

71.    Heterocyclic Chemistry Gordon Conference  Salve Regina University, RI, June 21-25, 2015

72.    Blue Danube Conference on Heterocyclic Chemistry – Balatonalmádi, Hungary, June 14-18, 2015

73.    Hungarian Academy of Sciences, Organic Chemistry Research Institute – Budapest, Hungary, June 12, 2015 (Host: Prof. Tibor Soós)

74.    Paul Walden 9thSymposium – Riga, Latvia, May 21-22, 2015 (Host: Prof. Peteris Trapencieris)

75.    University of Pennsylvania – Philadelphia, PA, May 13, 2015 (Student-invited seminar)

76.    Wayne State University – Detroit, MI, April 7, 2015 (Host: Prof. Ladislau Kovari)

77.    Anatolian Conference on Synthetic Organic Chemistry – Antalya, Turkey, March 16-19, 2015

78.    University of South Florida – Tampa, FL, February 15, 2015 (Host: Prof. Peter Zhang)

79.    Texas A&M University– College Station, TX, February 9-10, 2015 (Host: Prof. Kevin Burgess)

80.    Rice University – Houston, TX, December 4, 2014 (Host: Prof. K.C. Nicolaou)

81.    Kitasato University -JSPS Fellowship Stop#15 –  Tokyo, Japan, December 1, 2014 (Prof. Toshiaki Sunazuka)

82.    Gakushuin University- JSPS Fellowship Stop#14 – Tokyo, Japan, November 26, 2014 (Prof. Takahiko Akiyama)

83.    Tohuku University -JSPS Fellowship Stop#13 – Sendai, Japan, November 25, 2014 (Prof. Yujiro Hayashi)

84.    Advanced Molecular Transformations by Organocatalysts (AMTO) & 7thSymposium on Organocatalysis – The University of Tokyo, Tokyo, Japan, November 21-22, 2014 (Organizer: Prof. Masahiro Terada)

85.    Tokyo University of Agriculture and Technology (TUAT) - JSPS Fellowship Stop#12 – Tokyo, Japan, November 20, 2014 (Prof. Kazuo Nagasawa)

86.    Tokyo University of Science (TUS) - JSPS Fellowship Stop#11 – Tokyo, Japan, November 19, 2014 (Prof. Isamu Shiina)

87.    Tokyo University - JSPS Fellowship Stop#10 – Tokyo, Japan, November 18, 2014 (Prof. Masayuki Inoue)

88.    Kyushu University -JSPS Fellowship Stop#9 – Kyusyu, Japan, November 17, 2014 (Prof. Toru Oishi)

89.    Okayama University -JSPS Fellowship Stop#8 – Okayama, Japan, November 14, 2014 (Profs. Kazuhiko Takai & Seiji Suga)

90.    Ono Pharmaceutical Co., Ltd - JSPS Fellowship Stop#7 – Osaka, Japan, November 13, 2014 (Dr. Toru Maruyama)

91.    Kyoto University -JSPS Fellowship Stop#6 – Kyoto, Japan, November 12, 2014 (Prof. Keiji Maruoka)

92.    Osaka Univeristy – JSPS Fellowship Stop #5 – Osaka, Japan, November 11, 2014 (Prof. Naoto Chatani)

93.    Nagoya University - JSPS Fellowship Stop#4 – Nagoya, Japan, November 10, 2014 (Prof. Kazuaki Ishihara)

94.    Takasago International Corporation - JSPS Fellowship Stop#3 – Tokyo, Japan, November 6, 2014 (Dr. Mitsuhiko Fujiwara)

95.    Tokyo Institute of Technology (TIT) - JSPS Fellowship Stop#2 – November 5, 2014 (Prof. Nobuharu Iwasawa)

96.    Keio University - JSPS Fellowship Stop#1 – Tokyo, Japan, November 4, 2014 (Host: Prof. Noritaka Chida)

97.    University of Washington – Seattle, WA, October 22, 2014 (Host: Prof. Gojko Lalic)

98.    Amgen Young Investigators’ Symposium – Thousand Oaks, CA, October 15, 2014

99.    Brigham Young University (BYU) – Provo, UT, September 26, 2014 (Host: Prof. Daniel H. Ess)

100.  KAUST Catalysis Center (KCC), Saudi Arabia, Sept 7-8, 2014 (Host: Profs. Jörg Eppinger & Nikos Hadjichristidis)

101.  European Young Investigator Symposium, Larnaca, Cyprus, August 28-30, 2014 (Organizer: Prof. Ilan Marek)

102.  Academic Young Investigator Award Symposium, San Francisco, CA, 248thACS National Meeting, August 10, 2014

103.  2014 Stereochemistry Gordon Conference, Salve Regina University, RI, July 27-August 1, 2014

104.  Texas A&M University– College Station, TX, July 17, 2014 (Host: Prof. Karen Wooley)

105.  Eli Lilly and Company - ACC Summer Seminar Series – Indianapolis, IN, July 7-8, 2014 (Host: Dr. Matthew A. Schiffler)

106.  Korean Advanced Institute of Science & Technology (KAIST) – Daejeon, South Korea, June 5, 2014 (Prof. Sukbok Chang)

107.  Hanyang University – Seoul, South Korea, June 4, 2014 (Host: Prof. Cheon-Gyu Cho)

108.  Roche Shanghai – Shanghai, China, May 30, 2014 (Host: Dr. Yimin Hu)

109.  Novartis Shanghai – Shanghai, China, May 29, 2014 (Host: Dr. Haibing Guo)

110.  Hengrui Medicine, Co., Ltd – Shanghai, China, May 29, 2014 (Host: Dr. Biao Lu)

111.  Shanghai Normal University – Shanghai, China, May 28, 2014 (Host: Prof. Hexing Li)

112.  Shanghai Institute of Organic Chemistry (SIOC) – Shanghai, China, May 27, 2014 (Host: Prof. Shuli You)

113.  Fudan University – Shanghai, China, May 26, 2014 (Host: Prof. Junli Hou)

114.  Shanghai Institute of Materia Medica (SIMM), Shanghai, China, May 26, 2014 (Host: Prof. Yang Ye)

115.  The 2014 International Symposium on Organic Synthesis and Drug Development –Xuzhou, China, May 24-25, 2014 (Host: Prof. Guigen Li)

116.  Nankai University –Tianjin, China, May 22, 2014 (Host: Prof. Zhen Xi)

117.  Tianjin University –Tianjin, China, May 21, 2014 (Host: Prof. Yunfei Du)

118.  National Institute of Biological Science (NIBS) – Beijing, China, May 20, 2014 (Host: Dr. Xiangbing Qi)

119.  Peking University –Beijing, China, May 19, 2014 (Host: Prof. Tuoping Luo)

120.  Janssen Research & Development (J&J),San Diego, CA, May 5-6, 2014 (Host: Dr. Connor Martin)

121.  Gilead Sciences,Foster City, CA, April 21, 2014 (Host: Dr. Jake Cha)

122.  Pfizer La Jolla – La Jolla, CA, April 11, 2014 (Host: Dr. Douglas Behenna)

123.  California Institute of Technology – Pasadena, CA, April 9, 2014 (Host: Prof. Brian Stoltz)

124.  University of California Santa Barbara (UCSB) – Santa Barbara, CA, April 7, 2014 (Host: Prof. Armen Zakarian)

125.  The Scripps Research Institute – La Jolla, CA, April 4, 2014 (Host: Prof. Phil Baran)

126.  Advances in C-H Functionalization Symposium, Dallas, TX, 247th ACS National Meeting, March 17, 2014

127.  University of Texas at Austin – Austin, TX, February 24, 2014 (Host: Prof. Michael Krische)

128.  Bristol-Myers-Squibb Process Chemistry –New Brunswick, NJ, February 19-20, 2014 (Host. Dr. William Gallagher)

129.  School of Pharmacy, University of Wisconsin-Madison –Madison, WI, February 7, 2014 (Host: Prof. Weiping Tang)

130.  King Abdullah University of Science and Technology/Winter Enrichment Program (WEP) – Saudi Arabia, Jan 25-31, 2014

131.  University of Pécs – Pécs, Hungary, December 19, 2013 (Host: Prof. Tamás Kálai)

132.  Vanderbilt University  Nashville, TN, November 4, 2013 (Host: Prof. Gary Sulikowski)

133.  University of Missouri-Columbia –Columbia, MO, October 21, 2013 (Host: Prof. Rainer Glaser)

134.  University of Hawaii –Honolulu, HI, July 10, 2013 (Host: Prof. Marcus Tius)

135.  Heterocyclic Chemistry Gordon Conference  (Short Talk) Salve Regina University, Newport, RI, June 16-21, 2013

136.  University of Milan - Spring 2013 Lectureship in Chemistry  Milan, Italy, March 11-15, 2013

137.  University of Oklahoma  Norman, OK, February 13, 2013 (Host: Prof. G.R. Addo)

138.  Chirality 2012 – Fort Worth, Texas, June 8-10, 2012 (also Member of the Organizing Committee)

139.  Intl. Symposium on Physical Organic Chemistry and Synthetic Materials –Nankai University, Tianjin, China, July 1-3, 2011

140.  Nanjing University – Nanjing, China, June 29-30, 2011 (Host: Prof. Guigen Li)

141.  Novartis Shanghai – Shanghai, China, June 28, 2011

142.  Shanghai Normal University – Shanghai, China, June 28, 2011

143.  Hong Kong University of Science and Technology – Hong Kong, China, June 26-27, 2011 (Host: Prof. Jianwei Sun)

144.  Peking University Shenzen Graduate School – Shenzen, China, June 25, 2011 (Host: Prof. Zigang Li)

145.  East China Normal University (ECNU) –Shanghai, China, June 24, 2011 (Host: Prof. Junliang Zhang)

146.  Fudan University – Shanghai, China, June 23, 2011 (Host: Prof. Junli Hou)

147.  Shanghai Institute of Organic Chemistry (SIOC) – Shanghai, China, June 22, 2011 (Host: Prof. Shuli You)

148.  UT Arlington - November 8, 2010 (invitation by Professor Zoltan Schelly)

149.  Angiokem Training Workshop (COST)(Rhodos, Greece, September 26-October 1, 2010)

150.  Third European Workshop in Drug Synthesis (III EWDSy)– University of Siena, Siena, Italy, May 23-27, 2010 

151.  South Plains Award Banquet Keynote Speaker – Local Section, American Chemical Society, Lubbock, TX, April 16, 2010

152.  Stony Brook University – Stony Brook, NY, January 28, 2010

153.  ETH Lausanne (EPFL)  Lausanne Switzerland, January 13, 2010

154.  Helsinki University of Technology - December 18, 2009, Helsinki, Finland (invitation by Professor Ari Koskinen).

155.  University of Jyvaskyla - December 16, 2009, Jyvaskyla, Finland (invitation by Professor Petri Pihko).

156.  UT Southwestern Medical Center –Dallas, TX, December 3, 2009

157.  ANGIOKEM – Inhibitors of Angiogenesis: design, synthesis and biological exploitation– Favignana (Egadi Islands off the coast of Sicily), Italy, October 16-18, 2009

158.  Natural Products Chemistry, Biology and Medicine II – ESF-COST High Level Research Conference, Acquafredda di Maratea, Italy, August 29-September 3, 2009