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STEM Pathways

STEM Pathways

STEM World Classroom Guest Speaker Series


Tim Bohinski
New Product Development Manager for 

Ametek Process Instruments

Chemistry Adjunct at RCSJ

April 19, 2021
11 a.m. - 12 p.m​.
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Bio: I received my Ph.D. from Temple University in 2015 in physical chemistry and B.S. in chemistry from Drexel in 2010. My professional experience ranges from working in various chemical and instrumentation manufacturing roles to breweries, whereas my academic research has led to advancements in organic reaction knowledge to applications in quantum control. Outside of work, I enjoy spending time and traveling with my wife and 2 children where we live in Mullica Hill, NJ and enjoy expanding my mechanical skills or working on any DIY projects. I am originally from Wilkes-Barre, PA a prominent coal-mining town where I went to GAR High School, which happens to be the same school that the renowned physicist David Bohm went to. 

Abstract: The career roadmap can be quite daunting to students just entering higher education or even green professionals just beginning their careers. The ability to learn from new experiences and attempting to learn new material is an important skill to learn from which we can make informed decisions. I will share with you experiences and decisions that I have been part of and have made along my academic and professional career to help provide a 30,000ft view of how you can leverage previous knowledge into your next role. Focus will be given to specific examples in the ultrafast laser chemistry field and oil/gas/energy industries.


Emilia Arguello
Grad Student
Princeton University, Department of Chemistry 

April 1, 2021
11 a.m. - 12 p.m​.
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Emilia was born and raised in the Ecuadorian Andes and moved to the U.S. for college, where she obtained a degree in Chemistry from Smith College. She is currently finishing her Ph.D. in Chemical Biology at Princeton University in the Lab of Prof. Ralph Kleiner. Her focus is on epitranscriptomics (also known as RNA epigenetics), a relatively new field that studies how small chemical modifications in the building blocks of RNA can exert a large effect on gene expression. As a chemist, she wants to understand these pathways through a molecular perspective, so her research involves the creation of new chemical tools to interrogate the landscape and function of these modifications, for a N6-methyladenosine (m6A) and 5-methylcytosine (m5C). She relies mainly on chemical proteomics, activity-based proteomics, chemical synthesis, high-throughput sequencing, and quantitative mass spectrometry to understand the incidence and putative function of these marks in the cellular context.

​In her free time, Emilia loves to run, write poetry, cook, and read and write about music. She is also an amateur photographer and a dark chocolate and bubble tea aficionado. 


Scott Collins​
Distinguished Professor and Loren Potter Chair
Department of Biology
University of New Mexico

March 4, 2021
11 a.m. - 12 p.m.​
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I have served as Chair of the US Long-term Ecological Research (LTER) Network. The LTER Network comprises 26 long-term ecological research sites with a total of nearly 800 scientists, students and technicians funded by the National Science Foundation. I am currently on the Board of the Global Drylands Center (Arizona State University) and INTECOL. I have also served as President of the Ecological Society of America, the largest society for professional ecologists. I’ve been elected as a Fellow of the American Association for the Advancement of Science and the Ecological Society of America. In 2018 I was awarded the annual Distinguished Service Citation from ESA and in 2019 I received the Annual Research Lecture Award from the University of New Mexico, the highest award conferred on faculty by their peers at UNM.
My research focuses on the interactive effects of natural disturbances - fire, grazing and climate extremes - on grassland ecosystems. I have worked extensively on climate change impacts on desert grasslands in New Mexico and in tallgrass prairie in Kansas. My work in Kansas led to the Nature Conservancy adopting natural fire and grazing regimes as management protocols in their tallgrass prairie preserves. I have also worked in Kruger Park, South Africa, for the past 16 years as part of the Ecosystem Convergence project comparing fire, climate and herbivore effects on savanna grasslands in North America and South Africa. I have served as the lead PI on our NSF-funded Sevilleta LTER Summer Research Experience for Undergraduates Program since 2008. The REU program supports independent research by undergraduate ecology and fine arts students each summer at the Sevilleta Field Station.​


Dr. Helene Paxton

March 11, 2021
11 a.m. - 12 p.m.
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Passcode: 018939
Regulatory affairs ​and consulting in Infectious disease for medical devices and hospital-based practice. Work experience demonstrates emphasis on matters of patient safety and staff compliance in the workplace with proper education and support. Dr. Helene Paxton has 40 plus years’ experience in medical devices and Infectious disease consulting. Has been​ an Infection Preventionist in Acutecare Hospitals and LTAC’s. Is CIC certified with a PhD in Epidemiology. Member of APIC, SHEA, and ASM. As a Founder of a medical device company she developed over 70 IVD products, many are still on the marketplace. Products were distributed worldwide. Recipient of multiple grants from the DOD for development of infectious disease kits. Expert in Bio-Safety considerations with select agents. As an IVD consultant, Dr. Paxton specializes in designing studies ​for 510k submission and site coordination, data analysis, writing 510k and other regulatory submissions, FDA liaison, ​design control and GMP and FDA inspection readiness.  She is currently a Professor at Rowan University, teaching Microbiology and biochemistry.  She ​has submitted to EUA’s for a German Company for COVID-19 antibody testing.  She remains involved with Infection Control strategies and advises companies and hospitals on appropriate disinfectant modalities.


Joseph Kain

March 22, 2021
11 a.m. - 12 p.m.
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Joe Kain is a Mechanical Engineer with a passion for cybersecurity and industrial controls. After graduating from Drexel University with a B.S. in Mechanical Engineering in 2009, Joe began working at the Naval Surface Warfare Center Philadelphia Division (NSWCPD) as an automation engineer for shipboard propulsion and electrical generation systems. This position allowed him to work on machinery controls in the engine rooms of US Navy ships around the world in places like Italy, Japan and Dubai. Joe’s experience in machinery rooms and his love for computer programming prepared him to develop a training console for boiler operators of the LHD-1 WASP ship class. The simulator is regularly used to train sailors in Navy schoolhouses around the United States. 
Since 2017, he has worked as the NSWCPD Software Lead for SABER - a project that provides cybersecurity capabilities for shipboard machinery rooms. The project utilizes open source & commercial tools as well as cutting-edge tools developed by national research labs. 
On most days, Joe and his software team can be found in the lab tackling challenges related to software engineering, networking, cybersecurity, data science and various other disciplines. Team members are encouraged to step outside of their comfort zone and take on tasks that require them to learn new skillsets.


​Past Speakers​​


Dr. Adrian Roitberg

University of Florida, Department of Chemistry​
September 17, 2020
11 a.m. - 12 p.m.

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Kevin Metrocavage

NASA, ISS Operations Manager​
September 22, 2020
11 a.m.-12 p.m.

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Kyle Munson

Postodctoral Researcher
Penn State Chemistry DepartmentUsing Transient Absorption Spectroscopy to Examine the Electronic
Properties of Functional Materials​
October 1, 2020
11 a.m. - 12 p.m.
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Dr. James Grinias

Analytical Chemistry & Liquid Chromatography at
Princeton University
October 6, 2020
11 a.m. - 12 p.m.
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​​​Melinda Einsla

Research Scientist at DOW Chemical
October 8, 2020
11 a.m. - 12 p.m.
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Stephanie Castillo

Science Communicator & Filmmaker
Vanderbilt University
October 14, 2020
11 a.m. - 12 p.m.
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​ ​

​Dr.​Valeria Kleiman

Associate Professor at University of
October 15, 2020
12-1 p.m.
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Dr. Erum Ilyas, MD, MBE, FAAD

Montgomery Dermatology, LLC
October 22, 2020
11 a.m. - 12 p.m.
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Dr. Daniel Rubenstein

Professor of Zoology, Program in Environmental Studies, at Princeton University
October 23, 2020
11 a.m. - 12 p.m.
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Gloria Diaz

Graduate Student at University of Michigan
October 27, 2020
11 a.m. - 12 p.m.
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Camila Gaspar Quinonez​ 

October 29, 2020
11 a.m. - 12 p.m.
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Dr. Dan Saltzberg

Postdoctoral Scholar at UCSF School of Pharmacy, Dept. of Bioengineering
November 5, 2020
11 a.m. - 12 p.m.
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Dr. Daphney Chery 

2020-2021 AAAS Science and Technology Policy Fellow
Department of Defense (DoD) Basic Research Office
November 10, 2020
12 -


Casey O'Brien

Executive Director and Principal Investigator of the National
CyberWatch Center
November 10, 2020
2 p.m. - 3 p.m.
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Dr. Esther Biswas-Fiss

Professor and Chair of Medical & Molecular Sciences at University of Delaware
November 12, 2020
11 a.m. - 12 p.m.
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Life coach and author of Shoes for Yana
November 12, 2020
12:30 p.m. - 1:30 p.m.
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Christine Grandizio​

November 17, 2020
11 a.m. - 12 p.m.
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Dr. S



Majors Assistant Professor of Civil & Environmental Engineering
November 19, 2020
11 a.m. - 12 p.m.
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Lillian Melcher and AGLENNCO​​

Illustrator and Multimedia Artist
November 24, 2020
11 a.m. - 12 p.m.
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Nathaniel Nucci

January 28, 2021


M​elissa A. Green​​

Associate Professor
Department of Mechanical and Aerospace Engineering
February 25, 2021
1 - 2 p.m
View the Zoom Session​ (Coming Soon)​