Researchers

Alexis Berg

Research Associate
McColl Group

Alexis Berg (alexis_berg@fas.harvard.edu) is a Research Associate in Prof. Kaighin McColl's group. He is an Earth System scientist whose research interests focus on land-climate interactions, land surface hydrology and global ecosystems. His research relies primarily on the analysis of climate model simulations and global observational datasets. On-going research focuses on understanding the coupled responses of the continental water cycle, land ecosystems and climate to greenhouse warming.

Alexis Berg obtained his PhD in 2011 from Pierre and Marie Curie University (Paris, France), working at the Institute Pierre Simon Laplace (IPSL).

Hao Cao

Research Associate
Bloxham Group

The overarching goal of my research is to understand the interior structure, dynamics, and evolution of planetary bodies. My research recognizes and emphasizes that understanding planetary magnetic fields is essential for understanding the host planets.  My research experience encompasses space magnetometer data analysis, analytical and numerical magnetohydrodynamics (MHD) modeling of planetary dynamos, and theoretical calculation of planetary gravity fields. I am a Cassini Participating Scientist, a member of the Cassini magnetometer (MAG) team, a member of the Juno Interior Working Group, and a Co-Investigator of the JUICE MAG team. Currently I am deriving the interior structures and dynamics of Saturn and Jupiter employing magnetic fields measurements from the Cassini Grand Finale and Juno." src="/profiles/openscholar/modules/contrib/wysiwyg/plugins/break/images/spacer.gif" title="<--break-->">

Daniel Green

Researcher
Jacobsen Group
Daniel Green is Director of the Central Bureau for Astronomical Telegrams and he is involved in research of small bodies of the solar system — particularly comets and meteors, but also minor planets.  He collects and archives/publishes data on comets from observers around the world, and these data are published in the International Comet Quarterly (the world’s largest journal devoted solely to comets, which he edits) and posted at the Cometary Science Archive on its computers at EPS.  He also directs the acquisition of CCD images of comets on a nightly basis using telescopes in Tibet, and those images are analyzed, measured, and archived; searching for new comets and near-earth asteroids.  He is a member of the International Astronomical Union’s 13-member Committee on Small Body Nomenclature, which approves names for comets and minor planets (including trans-Neptunian objects) and their satellites.  He is a member of Harvard’s Origins program, with an interest in how observational data of comets can help in the study of their origins and in the origins of the solar system.  Green obtained his Ph.D. in physics and astronomy from the University of Durham (U.K.), his thesis focusing on analysis of old astronomical data in the historical literature using modern techniques, to extend our archive of useful data by centuries.

Sai Krishna Katla

Research Associate
Perez-Mercader Lab, Rowland Institute
Sai Krishna Katla earned his Ph.D. in Materials Science from Jawaharlal Nehru Center for Advanced Scientific Research (JNCASR), India in 2011. After graduating, he pursued postdoctoral research in Nanofabrication and Nanomaterials group at the Center for Advanced Microstructures and Devices (CAMD), a Synchrotron Light Source at the Louisiana State University (LSU). His research at LSU was part of the Center for Atomic-Level Catalyst Design, a DOE sponsored Energy Frontier Research Center (EFRC). During this period, his research focused on (i) Application of atomically precise gold nanoclusters in catalysis and magnetism, (ii) Application of millifluidics-based lab-on-a-chip devices for synthesis and in situ time-resolved characterization of nanomaterials. Later, he worked on electrocatalytic applications of nanomaterials as a Research Scientist from 2014 to 2015 in the 3D-Nanostructuring group at Institute of Physics & Institute of Micro- and Nanotechnologies (IMN), Technische Universität Ilmenau, Germany. Further, he worked on photothermal application of atomically precise gold nanoclusters as a Research Scientist - Associate and later as a Lecturer at The University of Texas at El Paso from 2015 to 2018. He is currently working on chemical computing and other problems associated with the creation of chemical artificial life as a Research Associate in Pérez-Mercader group.

Juan Perez-Mercader

Senior Research Fellow and Principal Investigator

Juan Pérez-Mercader earned his Ph.D. from the City College of New York. He is an Elected Member of the International Academy of Astronautics and of the European Academy of Arts and Sciences. In 1998 in Association with the NASA Astrobiology Institute, he founded Spain's Centro de Astrobiología (CAB) of which he was its first Director. He is the architect of Spain's current participation with infrastructure and instrumentation on board Mars Science Laboratory that arrived on Mars in August 2012. He is Profesor de Investigación in Spain's National Research Council (CSIC) and an External Faculty at the Santa Fe Institute. In 2010, he joined Harvard as a Senior Research Fellow in the Department of Earth and Planetary Sciences and the university's Origins of Life Initiative, where he leads a project on the "Top-down Synthesis of an Ex-novo Chemical Artificial Living System".

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Angela Rigden

Research Associate
Huybers Group

My research focuses on the transfer of water and energy in the soil-plant-atmosphere continuum. Currently, I am investigating water stress in agricultural systems to better constrain estimates of crop yields in future climates. I am keen on using observational data from a variety of platforms including satellites, weather stations, and eddy covariance towers to model the interactions between the land and atmosphere.

Geo Museum 401

Rakesh Yadav

Research Scientist
Bloxham Group

Existence of strong and large scale magnetic fields on planets and stars is one of the most fundamental problems in planetary and stellar physics. The turbulent motions of the electrically conducting fluids in planets and stars twist and churn the pervasive tiny magnetic field perturbations and give rise to much stronger and large scale magnetic fields. This process is called the Dynamo mechanism. Rakesh uses some of the worlds fastest supercomputers to simulate these physical processes and tries to understand how Dynamo works in stars and planets. The results from these complex magnetohydrodynamic simulations help us to better interpret the observations. Rakesh has extensively worked on modelling the dynamo in the Earth's core and in relatively tiny stars called M-stars (Proxima Centauri is one of them). At EPS, Rakesh is working to understand the geodynamo in greater details as well as to connect theoretical dynamo models for Jupiter with the incoming observations from the Juno space mission.

Li Zeng

Research Associate
Jacobsen Group

Dr. Li Zeng is a  former Simons Postdoctoral Fellow in the Simons Collaboration on the Origins of Life, currently working with Professor Jacobsen in the department of Earth and Planetary Sciences, Harvard University. He has his Ph.D. & M.A. in Astronomy and Astrophysics from Harvard University and his B.S. in Physics from MIT.  His current research focus is on Uncovering the formation, evolution, interior structure, and chemistry of exoplanets, in particular, Earth-like planets. You can learn more about Li’s research at astrozeng.com.