3. People

Current Group Members

Photo courtesy of Jason Grow

Photo courtesy of Jason Grow

Dan Cziczo
Associate Professor of Atmospheric Chemistry
djcziczo@mit.edu
Curriculum vitae
Dan joined the Department of Earth, Atmospheric and Planetary Sciences as Professor of Atmospheric Chemistry in 2011. His research focuses on the role that particulate matter plays in atmospheric chemistry, visibility, and cloud formation. Examples include understanding how aerosols nucleate water and ice clouds, improving the quantification of meteoritic ablation products, and determining the abundance of aircraft and rocket exhaust. Dan’s undergraduate work was in Aerospace Engineering (BS, 1992) and he spent two years at the Jet Propulsion Laboratory performing spacecraft navigation before starting his graduate work. Dan received an MS (1997) and PhD (1999) in Geophysical Sciences from the University of Chicago for work with Professor Jon Abbatt (now at the University of Toronto). His post doctoral fellowship was with Dr. Daniel Murphy at the NOAA Aeronomy Laboratory (now the Earth Systems Research Laboratory) and he spent three years at the Swiss Federal Institute of Technology (ETH) working with Professor Ulrike Lohmann. Before coming to MIT Dan was a Research Scientist at the Pacific Northwest National Laboratory where he directed their Atmospheric Measurement Laboratory.
Karin Ardon Dryer
Post-doctoral Fellow
Karin joined the Cziczo Group in the fall of 2012, after receiving her PhD in cloud physics from the Department of Geophysics, Atmospheric and Planetary Sciences and in the Porter School of Environmental Studies at Tel Aviv University. In her PhD, Karin measured atmospheric ice nuclei concentrations in condensation, deposition and immersion freezing modes using the FRIDGE-TAU. In the Cziczo group, Karin will work on contact freezing mode of different types of ice nuclei using the new contact chamber which being built by the group.
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Alexandria Johnson
Post-doctoral Fellow
Alexandria joined the Cziczo group at MIT in the spring of 2014. She received a Bachelor’s degree in Physics (2009) from Michigan Technological University and a Ph.D. in Atmospheric Science (2014) from the Department of Earth, Atmospheric, and Planetary Sciences at Purdue University. Past research topics include laboratory studies on the freezing properties of ice under Earth and Martian atmospheric conditions, airborne studies of water vapor with a GPS radio occultation system during PREDICT and in situ cloud microphysical properties during ICE-T, and high-resolution, single cloud numerical modeling. In the Cziczo group, and in collaboration the Seager group at MIT, Alexandria will investigate the formation and properties of cloud particles representative of those that may form in exoplanet atmospheres in the laboratory setting.
Sarvesh Garemilla
Graduate Student
vesh@mit.edu
Sarvesh joined the Department of Earth, Atmospheric and Planetary Sciences as a Graduate Student in Climate Physics and Chemistry in the fall of 2011. His undergraduate work was at the California Institute of Technology (BS, 2011) in Planetary Science and Environmental Science and Engineering. Sarvesh is working with the SPectrometer for Ice Nuclei (SPIN) instrument. Using SPIN Sarvesh will determine ice nucleation conditions required for cloud formation. This work is being done at MIT and the AIDA facility in Karlsruhe, Germany.
Maria Zawadowicz
Graduate Student
mariaz@mit.edu
Maria joined the Cziczo Group in the fall of 2012, after receiving her B.A. in Chemistry and Physics from Lake Forest College. Currently, she is pursuing a Ph.D in Atmospheric Science at the Department of Earth, Atmospheric and Planetary Sciences. She is interested in design and construction of analytical instruments that characterize of the atmosphere both in laboratory and field studies. Her favorite techniques are optical spectroscopy in infrared, visible and UV regions, as well as mass spectrometry. In the group, she currently works on designing a flow tube experiment to study deliquescence and efflorescence of aerosol particles by FTIR spectroscopy.
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Costa Christopoulos
UROP Student
Costa is a member of the 2013 graduating class of Hewitt-Trussville High School and a native of Trussville, Alabama. He is now attending MIT in pursuit of a BS in Physics and Earth, Atmospheric, and Planetary Sciences. Costa utilizes electron microscopy to study the chemistry and morphology of cloud condensation nuclei. Human activities such as fossil fuel combustion increase the concentration of particulate matter in the atmosphere. Ultimately, he want to help elucidate the relationship between anthropogenic aerosols, cloud formation, and Earth’s radiation budget.
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Sandra Seppalainen
UROP Student
Sandra graduated as the class of 2012 from Grant High School in Portland, Oregon. She is a member of the MIT Class of 2016 working towards a BS in Environmental Engineering. Sandra is interested in the behavior and characteristics of aerosols to further understand relationships between the atmosphere and climate change. In the Cziczo Group, she is utilizing a DMA and FTIR spectroscopy to study efflorescence and deliquescence of size-selected aerosol particles.
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Casey Crownhart
UROP Student
Casey joined the Cziczo group at MIT in the spring of 2014. She is a member of the MIT undergraduate class of 2017, and is pursuing a BS in Chemical Engineering and Literature. In the Cziczo group, Casey is working with PALMS single particle mass spectrometry to study mineral dust in ice core samples from Greenland.

Group Alumni

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Simon Proud
Research Scientist, University of Coppenhagen
Simon was a Visiting Scientist in the Cziczo group from fall 2013 – 2014. Simon conducted modeling studies of aerosol / cloud interactions and participated in laboratory work on water uptake and freezing while in the group. His home page can be found here.
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Dr. Yi-wen Huang
Senior Scientist, Los Gatos Research
Yi-wen was a post-doctoral fellow in the Cziczo Group studying ice nucleation using mass spectrometry. She is now a senior scientist at Los Gatos Research in Mountain View, CA.
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Dr. Beth Friedman
Post-doctoral fellow, Colorado State University
Beth received her Ph.D. from the University of Washington working jointly with Prof. Joel Thornton Dan Cziczo. Beth holds an undergraduate degree in Chemistry from Carleton College in Northfield, MN. Her graduate work included studies of droplet and ice nucleation both in the laboratory and field.
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Shaena Berlin
Environ
Shaena received her M.S. in EAPS as a member of the Cziczo Group in the spring of 2014. As a senior undergraduate in EAPS Shaena undertook research on Martian cloud formation conditions and continued by pursuing a 5th-year Master of Science in EAPS . Shaena used an electrodynamic balance (EDB) to perform the ice nucleation studies. Shaena is now and environmental consultant at Environ in San Francisco, CA.

Dr. Hanna Herich
Research Scientist, EMPA
Hanna was a joint Ph.D. student with Ulrike Lohmann and Dan Cziczo at the Swiss Federal Institute of Technology. Hanna is currently a post-doctoral fellow with EMPA (the Swiss Federal Laboratories for Material Science and Technology) in Dubendorf, Switzerland where she is studying aerosol properties.
Dr. Gourihar Kulkarni
Research Scientist, PNNL
GK was a post-doctoral fellow with Dan Cziczo during his tenure as a senior scientist at the Department of Energy’s Pacific Northwest National Laboratory. GK is currently a research scientist at PNNL where he conducts ice nucleation experiments with a focus on parameterizing the results for inclusion in cloud resolving and global climate models.
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Dr. Stephane Gallavardin
Research Scientist, MPI
Stephane was a post-doctoral fellow with Dan Cziczo during his time at ETH (July 2005- June 2008). Stephane used mass spectrometry to determine the chemical composition of aerosol single particles. His research emphasized mineral dust and their potential to form ice. Stephane is currently a post-doctoral fellow at the Max-Plank Institute for Chemistry in Mainz, Germany where he is developing advanced ion trap based mass spectrometers for aerosol composition.

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