Group Members

Research Group Spring 2016

Back row: Left to Right: Kahlil McMillan (UG-Physics), Tashell Dowdell (UG-Physics), Jaime Green (PhD-EES), Samin Poudel (MS Student-Physics)

Front Row: Left To Right: Dr. Marc Fiddler (Research Associate), Solomon Bililign (Physics Professor), Dr. Sujeeta Singh (2016 graduate-EES), Damon Smith (PhD-EES)

Dr. Marc N. Fiddler – Senior Research Associate

Marc Fiddler

Dr. Marc N. Fiddler is an Analytical Chemist that specializes in mass spectrometry and associated techniques. He has been engaged in various branches of research since 1995. He began as a postdoctoral associate at NCA&T in 2009 and later in 2011 as a Senior Research Associate at NCA&T  and has since also become an Adjunct Chemistry Professor. His research involves ultrasensitive detection techniques to measure and characterize atmospherically-relevant compounds and light-induced chemical processes. This work has expanded toward characterizing the optical properties of aerosols produced from biomass combustion. He is a Co-PI in this recently funded NSF project and led the NCA&T team in the Wintertime INvestigation of Transport, Emissions, and Reactivity (WINTER) 2015 sampling campaign. He received his PhD in Analytical Chemistry in 2009 from Purdue University and his B.S. in Chemistry from Pennsylvania State University.

Dr. Tadelech A. Keyeta - Visiting Scholar

Dr. Tadelech A. Keyeta

Dr. Tadelech A. Keyeta is an experimental physicist specializing in Laser Spectroscopy. She received her PhD in Physics, Laser Spectroscopy, in 2011, MSc in Quantum Optics in 2003, and BSc in Physics in 2000 all from Addis Ababa University, Ethiopia. She served as physics professor since 2004 teaching undergraduate and graduate physics courses. In addition to teaching, she served at different academic leadership positions and co-curricular activities such as summer and extension coordination, Ethiopian Physical Society Executive Committee, Graduate Academic Committee, Department Academic Committee, etc. She conducted researches and published research papers in journals on the applications of spectroscopy. Wrote books in modular form for physics courses such as Electricity and Magnetism (Phys 202); Quantum Mechanics (Phys 342); and Laser Physics (Phys 471). As a model female scientist, she received various academic honors and rewards including Faculty for the Future Fellowship Award in 2015/16 and 2016/17; Addis Ababa University Academic Achievement Award in 2014; Women in Success National Award 2014; Best Instructor of the Year Award in 2011/2012 and 2012/2013 from Students Council of the Natural Science College of Addis Ababa University; etc. In 2015/2016 she has been working on her postdoctoral research in Canada at the University of Alberta, Department of Electrical and Computer Engineering. Since September 1, 2016 she continued to work on similar research at NC A &T University. Her research interest mainly focuses in the area of laser-induced breakdown spectroscopy and its application in the detection of heavy metal contaminants in the environment, soil, and food products.

Graduate Students

Mr. Damon Smith – EES PhD Student

Damon Smith

Damon Smith is a PhD candidate in Energy & Environmental Systems Department at NCA&T. He has a MS in Physics from NCA&T, which focused on the measurement of the optical properties of soot particles produced from biomass burning. Upon graduation, he taught introductory physics at High Point University for two years. Current projects include construction and characterization of an indoor smog chamber and verifying results from previously used methods. Continued aerosol work will focus on soot aerosols from sub-Saharan Africa.

Mr. Jaime Green – EES PhD Student

Jaime Greene

Jaime Green joined our research group in the fall of 2014 at NC A&T. He intends to perform research based in the specialized area of Atmospheric Sciences applying the disciplines of chemistry and physics towards atmospheric chemistry. In doing this Jaime wishes to achieve the long term goal of being an active atmospheric scientist at the federal level or in private industry. His hobbies include Mountain biking, photography, computer modeling and figure design using Z-brush and Blender.

Jaime Green gained an interest in chemistry during his studies as an undergraduate at UC Davis. This interest inspired him further study in chemistry shortly after transitioning from active duty to reserve duty with the United States Army at Ft. Richardson, Alaska and moving to California. Jaime was admitted to Fresno State’s MS Chemistry program in 2011 and was introduced to atmospheric chemistry and gas kinetics during the collaborative work between Dr. Tyndall’s (National Center of Atmospheric Research) and Dr. Hasson’s (Fresno State) research groups. He completed his Masters Thesis - Examination of Isoprene Chemistry Under Varied Atmospheric Radical Concentration, in 2014. Jaime participated in the Wintertime INvestigation of Transport, Emissions, and Reactivity (WINTER) 2015 sampling campaign and is currently perusing laboratory studies based on the data gathered during the campaign.

Mr. Samin Poudel- Physics MS Student

Samin Poudel

Currently, Samin is a graduate student pursuing his MS in Physics at NC A&T working on a project to calculate optical properties of Biomass Burning Aerosols (scattering, absorption, extinction) using T- matrix theory and pursuing a career of researcher in Physics. He has undergraduate degree in Physics from Tribhuvan University in Nepal.

Undergraduate Researchers

Khalil McMillan- Physics Senior

Khalil McMillan

Mr. Khalil McMillan is a student from Charlotte, NC. He is currently working on his Engineering Physics (Mechanical Engineering) B.S. degree and will graduate in the year 2017. He had research experience in Nuclear Physics under Dr. Abdellah Ahmidouch conducting a feasibility study of neutron detection at cargo ports. He was NSF-REU student in Atmospheric Physics where he worked under Dr. Solomon Bililign calibrating the cavity ring-down spectrometer using 700 nm polystyrene spheres and a nephelometer. He is currently REU student in Atmospheric Physics at the Colorado State University in Fort Collins, CO.

Tashell Dowdell- Physics Senior

Tashell Dowdell

Tashell Dowdell is an undergraduate perusing a Bachelors degree in Physics. She's passionate about Astronomy, but wants to broaden her interests! She is currently funded through NSF-REU to work in aerosol optical properties measurement laboratory

High School Student Researcher- Dennis Quaintance

Dennis Quaintance

Dennis Quaintance is a recent graduate of the STEM Early College at NC A&T. He has been engaged in various research opportunities since 2013. He is currently working on setting up temperature controls between an incinerator and a smog chamber and between the smog chamber and the CRDS system. He received a high school diploma from the STEM Early College at NC A&T and plans to pursue a Bachelor’s degree next year at Reed College in Portland, OR.

Former Graduate Students

Dr. Sujeeta Singh – EES PhD 2016

Sujeeta Singh

Sujeeta Singh received a PhD in Energy & Environmental Systems at NCA&T in 2016 where she studied aerosol-radiation interactions. Her focus is on the measurements of the optical properties of soot particles produced from biomass burning. She is especially interested in emissions from fuel types burned in SE Asia. She has a MS in Physics from NCA&T, which concerned the light monitoring system for HTCC detector of Hall B at Jefferson Laboratory.


Other Students Since 2009

Mr. Israel Begashaw – Physics MS, 2009, currently at Li-Core Biosciences

Mr. Getachew Tedela – Physics MS, currently a PhD student at JSNN

Dr. Anthony Cochran – EES PhD, 2012, currently a contractor for the DoD

Mr. Michael Collingswood – EES PhD (incomplete)

Mr. Damon Smith- MS-Physics (current PhD Student)

Former Graduate Students

Mr. Damon Smith - Physics MS 2014, currently teaching at High Point University

Mr. Israel Begashaw – Physics MS, 2009, currently at Li-Core Biosciences

Mr. Getachew Tedela – Physics MS, currently a PhD student at JSNN

Dr. Anthony Cochran – EES PhD, 2012, currently a contractor for the DoD

Mr. Michael Collingswood – EES PhD (incomplete)

Natnael Semmeneh MS 2006- PhD Vanderbilt University- Postdoc

Vivek  Komaiagiri, MS 2005- employed- Sensory Analytics LLC 

Kevin Wedderburn, MS 2004-

James Tucker Swindel -MS, 2003, PhD University of Georgia- Employed by DoD

Brian Hattaway, MS 2003, Admitted to PhD at UCONN

Tito Robinson MS 2000- Kodak (last known employment)

Ben McCarter, MS 1999- Corning, Indochina

Former Undergraduates since 2009

Ms. Zainab Ali – Physics BS Student

Mr. Mycah Edwards – Physics BS Student

Mr. Quincy Moffitt – Physics BS Student

Isabel Colon Bernal (BS, Chemistry, REU, Summer 2014)

Mark Auden (BS, Optical Engineering, REU, Summer 2014)

Percy Williams (BS, ASM, 2013-2014)

Marcus Vincent (BS, Physics, 2013-2014)

Chanelle Stigger (BS, Physics, 2014)

Krislyn Miner (BS, Physics, 2014)

Andrew Walker (BS, Physics, 2012)

Jasmyne Browne (BS, Chemistry, 2011-2012)

Megan Mills (BS, ASM, 2011)

Stefan Boskovic (BS, ASM, 2010-2012)

Charnae Rocker (BS, ASM, 2010)

Alta Bailey (BS, Physics, 2010)

Yabne'el Yisrael (BS, ASM, 2009)

Chris Ware (BS, Physics, 2009-2010) currently at Huntington Ingalls Industries, Inc.

Charles Melvin (BS, Chemical Engineering, 2009-2010), currently at ExxonMobile

*ASM is Atmospheric Science and Meteorology, EES is Energy and Environmental Systems

Former Postdocs and associates

Mrs. Jessica Bohn- ISET Associate Center Director-2011-2012

Mr. Mike Porter- Geosciences Education specialist- 2010-2012

Dr. Angela Marie Reusch-2009 Geophysics

Dr. Mulugeta Dugda-Geophysics-2007- 2008

Dr. Yulia Basova- Atmopsheric Chemistry-2007

Dr. Alemayehou Jembere-Geophysics-2005-2007

Dr. Robert Gdanitz- Quantum Chemistry 2002-2004

Dr. Nayana Vaval- Quantum Chemistry- 2001

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