EXECUTIVE COMMITTEE | OFFICER | TELEPHONE |
Chair: | Nicole Lapeyrouse | 407-823-0386 |
Chair Elect: | Stephen Smith | — |
Immediate Past Chair: | Denisia Popolan-Vaida | 407-823-1537 |
Treasurer: | Van Quach | — |
Secretary: | Pavithra Pathirathna | 321-674-7561 |
Councilor & Section Historian: | Darlene Slattery | 321-632-2535 |
Alternate Council Member: | Laura Sessions | 407-582-7138 |
CCEW Coordinator | Duy Le | 407-666-8198 |
NCW Coordinator | Denisia Popolan-Vaida | 407-823-1537 |
Younger Chemists Committee | Mohammed Muzammil Nishar Ahmed | 321-368-4129 |
COMMUNICATIONS TEAM | ||
Chair: | Michel Johnson | — |
Webmaster: | Duy Le | — |
CHEMISTRY OLYMPIAD Coordinator | Mary C. Roslonowski | 321-243-6198 |
AWARDS COMMITTEE Chair | Laura Sessions | 407-582-7138 |
NOMINATIONS AND ELECTIONS COMMITTEE Chair | Stephen Smith | — |
SERMACS COMMITTEE | ||
General Co-Chair | Christopher Chouinard | 321-674-8173 |
General Co-Chair | Chris Avery | |
Program Chair | Titel Jurca | |
Exposition Chair | Michel Johnson |
Tag Archives: Officers
Annual Election: Meet the Candidates for 2023 Executive Committee
We are excited to announce the candidates for 2023 Executive Committee of the Orlando Section. Voting is expected to open on October 24th, 2022, when you will receive a separate email with the instructions on how to cast your votes electronically and will close on November 8th, 2022.

Dr. Nicole Lapeyrouse
Candidate for Chair
Dr. Nicole Lapeyrouse is a lecturer at the University of Central Florida (UCF). She performed her undergraduate studies at Florida International University and graduate work at UCF. At UCF, her research focused on the remediation of chlorinated compounds in aqueous environments and chemistry education. Dr. Lapeyrouse’s current research includes investigating student perception of teaching practices and their experience with unique multimedia, diversity, equity, and inclusion in STEM instructional materials, and STEM retention.

Dr. Stephen Smith
Candidate for Chair-Elect
Dr. Stephen Smith is a native of Central Florida and currently an Assistant Professor in the Department of Biomedical and Chemical Engineering and Sciences at the Florida Institute of Technology. He completed his PhD in chemistry at the University of Central Florida in 2021. His research interests include synthesis of nanomaterials via industrially viable processes for applications as bactericides.

Dr. Pavithra Pathirathna
Candidate for Secretary
Pavithra Pathirathna is an Assistant Professor in the Department of Biomedical and Chemical Engineering and Sciences at the Florida Institute of Technology. She performed her undergraduate studies at the University of Kelaniya, Sri Lanka, and her Ph.D. with Parastoo Hashemi in the Department of Chemistry at Wayne State University, MI, USA. Her postdoctoral work was at the University of Pittsburgh with Shigeru Amemiya. Pavithra’s interdisciplinary and translational research program centers on developing and optimizing electrochemical sensors for analyzing biologically and environmentally impactful metals and neurotransmitters with applications in point of care diagnostics. Some of her prestigious distinctions include Honor Citation for Teaching Service and Esther and Stanley Kirschner General Chemistry Teaching Award. Besides her scholarly and teaching activities, Pavithra has been serving as the secretary of the ACS Orlando section since 2021 and a reviewer and a co-editor of several journals.

Dr. Van Quach
Candidate for Treasurer
Dr. Van Quach has been the treasurer of the Orlando Section since 2019. In addition, he is a professor of chemistry at Seminole State College. He has been teaching there since Aug 2010. He received his Bachelor of Science degree in chemistry from the University of Florida in 1999. After taking some time off for travel, he made his way up to Tallahassee, FL to start graduate school. At Florida State University, his research focused on better understanding of the theoretical and fundamental processes that occur during chemical separation. Specifically, he investigated the temperature dependence of the phase ration in liquid chromatography systems. He received his Ph.D. in 2009 and taught for two years at FSU before returning to the central Florida area to teach at Seminole State College. In his spare time, he enjoys cooking, reading, and drinking good wines.

Dr. Darlene Slattery
Candidate for Councilor
Dr. Slattery has been an active member of the Orlando Section since its inception in 1991, serving as Chair in 1992, 2002 and 2008, treasurer in 1996 and has served as Councilor since 2011. She has also served on a number of local section committees, including the Awards Committee, which she has chaired for the majority of her time in the Section.
As Councilor, Dr. Slattery has served on two National Committees, first on the Committee on Chemical Safety and since 2018, she has served on the Membership Affairs Committee (MAC), where she was actively involved in the development of the new membership model that resulted in new categories of membership and more pricing options. As a member of MAC, she is also the lead for the Liaison and Caucus Working Group.
Dr. Slattery is happily retired and looks forward to the opportunity to continue her support of the Orlando Section.
Annual Election: Call for 2023 Executive Board Candidates & Voting
We are seeking interested individuals to join the Orlando Section Executive Committee in 2023! We have four positions up for election: Chair, Chair Elect, Secretary, Treasurer, and Councilor. A description of each position is included below. Please contact Dr. Laura Sessions (lsessions@valenciacollege.edu), Nominating Committee Chair, with any additional questions.
All nominations (including name of nominee, contact information, and nominated position) must be notified to Dr. Laura Sessions (via email at lsessions@valenciacollege.edu) by October 14th, 2022. Voting is expected to open on October 24th, when you will receive a separate email with the instructions on how to cast your votes electronically and will close on November 8th . Please let us know (via email at contact@orlandoacs.org) before October 14th 2022 if you would like to be mailed a paper copy ballot.
ROLES AND RESPONSIBILITIES
Chair (one-year term). The main responsibilities are:
- Two year commitment (one year as chair, one year as immediate Past-Chair)
- Serve as Chair of the Executive Committee
- Appoint members and/or affiliates to all committees
- Oversee the activity of the section
- To vote/participate in exec decisions
Chair Elect (one year term). The main responsibilities are:
- Three year commitment (one year as chair-elect, one year as chair, one year as immediate Past-Chair)
- To vote/participate in exec decisions
- Succeed to office of Chair for the next year
- Serve as chair for meetings which the Chair cannot attend
Treasurer (one-year term). The main responsibilities are:
- Prepare the annual budget/expenditures report for Nationals
- Maintain the Section bank account
- Maintain a budget, disbursements, expenditures, and accounting for the Section activities
- To vote/participate in exec decisions
Secretary (one-year term). The main responsibilities are:
- To take notes at exec meetings
- To set-up and distribute ballots for elections (mostly electronic now)
- Oversee website and social media communications
- To vote/participate in exec decisions
Councilor (three-year term). The main responsibilities are:
- To attend national meeting annually, represent the Section, and report back activities
- Assist in preparing and submitting the annual report to the national office
- To vote/participate in exec decisions
2022 Orlando Section Officers
EXECUTIVE COMMITTEE | OFFICER | TELEPHONE |
Chair: | Denisia Popolan-Vaida | 407-823-1537 |
Chair Elect: | Nicole Lapeyrouse | 407-823-0386 |
Immediate Past Chair: | Duy Le | 407-666-8198 |
Treasurer: | Van Quach | — |
Secretary: | Pavithra Pathirathna | 321-674-7561 |
Councilor & Section Historian: | Darlene Slattery | 321-632-2535 |
Alternate Council Member: | Laura Sessions | 407-582-7138 |
CCEW Coordinator | Duy Le | 407-666-8198 |
NCW Coordinator | Denisia Popolan-Vaida | 407-823-1537 |
Younger Chemists Committee | Mohammed Muzammil Nishar Ahmed | 321-368-4129 |
OUTREACH COMMITTEE | ||
Chair: | — | — |
Co-chair: | — | — |
COMMUNICATIONS TEAM | ||
Chair: | Michel Johnson | — |
Webmaster: | Duy Le | — |
CHEMISTRY OLYMPIAD Coordinator | Mary C. Roslonowski | 321-243-6198 |
AWARDS COMMITTEE Chair | Darlene Slattery | 321-632-2535 |
NOMINATIONS AND ELECTIONS COMMITTEE Chair | Laura Sessions | 321-674-8173 |
SERMACS COMMITTEE | ||
General Co-Chair | Christopher Chouinard | 321-674-8173 |
General Co-Chair | Chris Avery | |
Program Chair | Titel Jurca | |
Exposition Chair | Michel Johnson | |
*Click on name to send an officer an email |
Annual Election: Meet the Candidates for 2022 Executive Committee
Dr. Christopher Chouinard
Candidate for Chair-Elect

Dr. Christopher Chouinard is currently an Assistant Professor in the Chemistry Department at Florida Institute of Technology. His research involves novel ion mobility-mass spectrometry (IM-MS) methods for the detection of illicit substances including performance-enhancing drugs. He received his BS degrees in Chemistry and Biology from University of North Carolina at Chapel Hill, his Ph.D. in Chemistry from University of Florida, and did post-doctorial studies in IM-MS instrument development at Pacific Northwest National Lab.
Dr. Chouinard has served on the ACS Orlando Section executive committee (Chair-Elect/Chair/Past Chair) continuously since 2019. Most recently, he spearheaded the Section’s successful bid to host the 2025 Southeastern Regional Meeting of the ACS (SERMACS), for which he will be serving as General Chair. This will be the first time the meeting is held in Florida since 1987.
Dr. Van Quach
Candidate for Treasurer

Dr. Van Quach has been the treasurer of the Orlando Section since 2019. In addition, he is a professor of chemistry at Seminole State College. He has been teaching there since Aug 2010. He received his Bachelor of Science degree in chemistry from the University of Florida in 1999. After taking some time off for travel, he made his way up to Tallahassee, FL to start graduate school. At Florida State University, his research focused on better understanding of the theoretical and fundamental processes that occur during chemical separation. Specifically, he investigated the temperature dependence of the phase ration in liquid chromatography systems. He received his Ph.D. in 2009 and taught for two years at FSU before returning to the central Florida area to teach at Seminole State College. In his spare time, he enjoys cooking, reading, and drinking good wines.
Dr. Pavithra Pathirathna
Candidate for Secretary

Dr. Pavithra Pathirathna is an Assistant Professor in the Department of Biomedical and Chemical Engineering and Sciences at the Florida Institute of Technology. She performed her undergraduate studies at the University of Kelaniya, Sri Lanka, and her Ph.D. with Parastoo Hashemi in the Department of Chemistry at Wayne State University, MI, USA. Her postdoctoral work was at the University of Pittsburgh with Shigeru Amemiya. Pavithra’s interdisciplinary and translational research program centers on developing and optimizing electrochemical sensors for analyzing biologically and environmentally impactful metals and neurotransmitters with applications in point of care diagnostics.
Dr. Laura Sessions
Candidate for Alternate Councilor

Dr. Sessions was born and raised in Winter Park, FL. She received undergraduate and graduate degrees from University of Florida and Dartmouth College, respectively. She has taught at Valencia College for the past eleven years, also serving as Department Chair, on the Faculty Association Council, and in multiple endowed chair awards. Dr. Sessions has enjoyed volunteering with the ACS Orlando section since 2015 in several positions including Alternate Councilor, Awards Chair, and Chair and would look forward to continuing her service this year as Alternate Councilor
Annual Election: Call for 2022 Executive Board Candidates & Voting
We are seeking interested individuals to join the Orlando Section Executive Committee in 2022! We have four positions up for election: Chair Elect, Secretary, Treasurer, and Alternate Councilor. A description of each position is included below. Please contact Dr. Denisia Popolan-Vaida (Denisia.Popolan-Vaida@ucf.edu), Nominating Committee Chair, with any additional questions.
All nominations (including name of nominee, contact information, and nominated position) must be notified to Dr. Denisia Popolan-Vaida (via email at Denisia.Popolan-Vaida@ucf.edu) by October 15th, 2021. Voting is expected to open on October 25th, when you will receive a separate email with the instructions on how to cast your votes electronically. Please let us know before October 15th if you would like to be mailed a paper copy ballot.
OFFICER ROLES AND RESPONSIBILITIES
Chair Elect (one-year term; three-year term total). The main responsibilities are:
• To vote/participate in exec decisions
• Succeed to office of Chair for the next year
• Serve as chair for meetings which the Chair cannot attend
Treasurer (one-year term). The main responsibilities are:
• Prepare the annual budget/expenditures report for Nationals
• Maintain the Section bank account
• Maintain a budget, disbursements, expenditures, and accounting for the Section activities
• To vote/participate in exec decisions
Secretary (one-year term). The main responsibilities are:
• To take notes at exec meetings
• To set-up and distribute ballots for elections (mostly electronic now)
• Oversee website and social media communications
• To vote/participate in exec decisions
Alternate Councilor (three-year term). The main responsibilities are:
• To attend national meeting annually (if Councilor is not able), represent the Section, and report back activities
• Assist in preparing and submitting the annual report to the national office
• To vote/participate in exec decisions
2020 Orlando Section Officers
EXECUTIVE COMMITTEE | OFFICER | TELEPHONE |
Chair: | Christopher Chouinard | 321-674-8173 |
Chair Elect: | Duy Le | — |
Immediate Past Chair: | Joel Olson | 321-674-7350 |
Treasurer: | Van Quach | — |
Secretary: | Mary C. Roslonowski | 321-243-6198 |
Councilor & Section Historian: | Darlene Slattery | 321-632-2535 |
Alternate Council Member: | Laura B. Sessions | 407-582-7138 |
OUTREACH COMMITTEE | ||
Chair: | — | — |
Co-chair: | — | — |
COMMUNICATIONS TEAM COMMITTEE | ||
Chair: | Michel Johnson | — |
Newsletter Editor: | — | — |
CHEMISTRY OLYMPIAD Chair | Mary C. Roslonowski | 321-243-6198 |
AWARDS COMMITTEE Chair | Darlene Slattery | 321-632-2535 |
NOMINATIONS AND ELECTIONS COMMITTEE Chair | Duy Le | |
*Click on name to send an officer an email |
2021 Orlando Section Officers
EXECUTIVE COMMITTEE | OFFICER | TELEPHONE |
Chair: | Duy Le | 407-666-8198 |
Chair Elect: | Denisia Popolan-Vaida | 407-823-1537 |
Immediate Past Chair: | Christopher Chouinard | 321-674-8173 |
Treasurer: | Van Quach | — |
Secretary: | Pavithra Pathirathna | 321-674-7561 |
Councilor & Section Historian: | Darlene Slattery | 321-632-2535 |
Alternate Council Member: | Laura Sessions | 407-582-7138 |
OUTREACH COMMITTEE | ||
Chair: | — | — |
Co-chair: | — | — |
COMMUNICATIONS TEAM COMMITTEE | ||
Chair: | Michel Johnson | — |
Newsletter Editor: | — | — |
CHEMISTRY OLYMPIAD Chair | Mary C. Roslonowski | 321-243-6198 |
AWARDS COMMITTEE Chair | Darlene Slattery | 321-632-2535 |
NOMINATIONS AND ELECTIONS COMMITTEE Chair | Denisia Popolan-Vaida | 407-823-1537 |
SERMACS COMMITTEE | ||
Chair: | Christopher Chouinard | 321-674-8173 |
*Click on name to send an officer an email |