Anna Krylov

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Anna Krylov
Anna Krylov sitting at her desk
BornMay 6, 1967
CitizenshipUnited States, Israel, Russia
Alma materHebrew University of Jerusalem
Scientific career
FieldsTheoretical chemistry
Computational quantum chemistry
InstitutionsUniversity of Southern California
WebsiteUSC profile

Anna Krylov is the Gabilan Distinguished Professor in Science and Engineering and a Professor of Chemistry at the University of Southern California (USC) working in the area of theoretical and computational quantum chemistry. She created the spin-flip method, the president of Q-Chem, Inc.,[1] and an elected member of the International Academy of Quantum Molecular Science.

Life and education[edit]

Born in Donetsk, Ukraine (May 6, 1967), Krylov received her M.Sc. (with honors) in Chemistry from Moscow State University, and later her Ph.D. (summa cum laude) from The Hebrew University of Jerusalem working under the supervision of Professor Robert Benny Gerber. Her Ph.D. research at the Fritz Haber Center focused on molecular dynamics in rare gas clusters and matrices.

Krylov lives in Southern California and is a big fan of outdoor sports.


Upon completing her Ph.D. in 1996, she joined the group of Prof. Martin Head-Gordon at the University of California, Berkeley, as a postdoctoral research associate, where she became involved with electronic structure method development. In 1998, she joined the Department of Chemistry at USC.


Professor Krylov leads the iOpenShell lab,[2] a research group focused on theoretical modeling of open-shell and electronically excited species. She develops robust black-box methods to describe complicated multi-configurational wave functions in single-reference formalisms, such as coupled-cluster and equation-of-motion (or linear response) approaches. She developed the spin-flip approach,[3][4] which extends coupled-cluster and density functional methods to biradicals, triradicals, and bond-breaking. Krylov also develops many-body theories for describing metastable electronic states (resonances) and tools for spectroscopy modeling, including non-linear optical properties and core-level transitions. Krylov is also known for her development of efficient algorithms and software for quantum chemistry computations. She is one of the developers of the open-source libtensor[5] library for many-body calculations and the Q-Chem electronic structure package.

Using the tools of computational chemistry, and in collaboration with numerous experimental laboratories, Krylov also investigates the role that radicals and electronically excited species play in such diverse areas as combustion, gas- and condensed-phase chemistry, astrochemistry, solar energy, quantum information storage, bioimaging, and light-induced biological processes. She has co-authored more than 210 publications and has delivered more than 240 invited lectures, including the 2012 Löwdin Lecture at Uppsala University Sweden, the 2013 Coulson Lecture at the University of Georgia,[6] and the 2018 Davison Lecture at the University of North Texas.

As head of the iOpenShell lab, Krylov has contributed to science education and outreach by establishing the iOpenShell electronic structure forum[7] and by developing educational materials and films to help popularize science. The two iOpenShell films, Shine a Light[8] and Laser,[9] have been viewed more than 66,000 times on YouTube since September 2009. In 2015, Krylov delivered a public lecture in the Telluride Science Research Center Town Talk series entitled “Molecules and Light: The Story of Life, Death, and our Quest for Knowledge”.


Krylov's research has received worldwide recognition, in particular for her invention of the spin-flip method.[3][4] She received the 2007 WATOC (World Association of Theoretical and Computational Chemists) Dirac Medal for her "outstanding research on new methods in electronic structure theory for the description of bond-breaking, in particular the spin-flip method",[10] and the Agnes Fay Morgan Research Award, given by Iota Sigma Pi National Honor Society for outstanding research achievements to a woman chemist or biochemist not over 40 years of age. She is a fellow of the American Physical Society, the American Chemical Society, and the American Association for the Advancement of Science. She is the recipient of a Friedrich Wilhelm Bessel Research Award from the Alexander von Humboldt Foundation for developing robust electronic structure methods for open-shell and electronically excited species and creative use of ab initio theory to understand the chemistry of biomolecules, reaction intermediates, and photoinduced processes; and the recipient of the 2012 Theoretical Chemistry Award from the Physical Chemistry Division of the American Chemical Society. In addition, she has received the USC Melon Mentoring Award, the Hanna Reisler Mentoring Award from the WiSE program, the USC Phi Kappa Phi Faculty Recognition Award, and the INSIGHT Into Diversity Inspiring Women in STEM Award. In 2017, Krylov was recognized with the Mildred Dresselhaus Award from the Center for Ultrafast Imaging at DESY in Hamburg, Germany. In 2018, she was awarded a Simons Fellowship in Theoretical Physics from the Simons Foundation. In 2019 she received the American Physical Association's prestigious Earle K. Plyler Prize for Molecular Spectroscopy & Dynamics for her "innovative work developing high accuracy electronic structure theory to inspire interpretation of spectroscopy of radicals, excited states, and ionization resonances in small molecules, biomolecules, and condensed phase solutes."

Professional merit[edit]

Krylov has served on the editorial boards of numerous peer-review journals, including Annual Review of Physical Chemistry, the Journal of Chemical Physics, the Journal of Physical Chemistry, Chemical Physics Letters, the International Journal of Quantum Chemistry, Physical Chemistry–Chemical Physics, Molecular Physics, and Wires Computational Molecular Science. She has served as a guest editor for a special issue of J. Phys. Chem. A honoring Prof. Benny Gerber and for the special issue of Chemical Reviews on Theoretical Modeling of Excited-State Processes.  Currently, she is an associate editor of Physical Chemistry-Chemical Physics (RSC) and of Wires Computational Molecular Science (Wiley).

Krylov has organized numerous symposia and is a board member of WATOC and the International Society for Theoretical Chemical Physics.[11] She is the president of Q-Chem Inc.[1] and a developer of Q-Chem, one of the world's leading ab initio quantum chemistry programs. In addition, she is an elected member of the International Academy of Quantum Molecular Science.

In addition to her permanent appointment at USC, Krylov has served as a visiting professor at Caltech, University of Minnesota (Minneapolis), University of Colorado (JILA), Heidelberg University, University of Mainz, University of Groningen, the International Center for Theoretical Physics in Donostia, and the Center of Ultrafast Imaging at DESY in Hamburg.


Krylov is active in the promotion of gender equality in STEM fields and in the support of women in science, especially theoretical chemistry. She has created and maintains the web directory Women in Theoretical and Computational Chemistry, Material Science, and Biochemistry,[12] which currently lists more than 400 scientists holding tenure and tenure track academic positions, or equivalent positions in industry, national laboratories, and other leading research establishments. She has delivered several talks on gender equality in STEM including a lecture at the international symposium in Uppsala, Sweden.[13]


  1. ^ a b "Quantum Computational Software; Molecular Modeling; Visualization". Retrieved 2 January 2018.
  2. ^ "Laboratory for Theoretical Studies of Electronic Structure and Spectroscopy of Open-Shell and Electronically Excited Species - iOpenShell". Retrieved 2 January 2018.
  3. ^ a b Size-consistent wave functions for bond-breaking: The equation-of-motion spin-flip model Chem. Phys. Lett., 338, 375–384 (2001)
  4. ^ a b The spin-flip equation-of-motion coupled-cluster electronic structure method for a description of excited states, bond-breaking, diradicals, and triradicals Acc. Chem. Res., 39, 83–91 (2006)
  5. ^ Epifanovsky, Evgeny; Wormit, Michael; Kuś, Tomasz; Landau, Arie; Zuev, Dmitry; Khistyaev, Kirill; Manohar, Prashant; Kaliman, Ilya; Dreuw, Andreas; Krylov, Anna I. (2013). "New implementation of high-level correlated methods using a general block-tensor library for high-performance electronic structure calculations". J. Comput. Chem. 34 (26): 2293–2309. doi:10.1002/jcc.23377. PMID 24159628.
  6. ^ "All Past Coulson Lectures - Department of Chemistry". Archived from the original on 3 January 2018. Retrieved 2 January 2018.
  7. ^ "Forum Index - Forum - iOpenShell". Retrieved 2 January 2018.
  8. ^ peoplepixels (4 August 2009). "Shine a Light". Retrieved 2 January 2018 – via YouTube.
  9. ^ peoplepixels (14 September 2009). "Laser". Retrieved 2 January 2018 – via YouTube.
  10. ^ "World Association of Theoretical and Computational Chemists". Retrieved 2 January 2018.
  11. ^ "International Society for Theoretical Chemical Physics". Retrieved 2 January 2018.
  12. ^ "Women in theoretical/computational chemistry, material science, and biochemistry". Retrieved 2 January 2018.
  13. ^ "Women in science 2015 – Young Academy of Europe". Retrieved 2 January 2018.

External Links[edit]