John Y. N. Cho - 1986-1988, U.S. Peace Corps Volunteer, Sierra Leone, Taught physics and mathematics at the St. Francis Secondary School in Makeni

Peace Corps Online: Directory: Sierra Leone: Peace Corps Sierra Leone : The Peace Corps in Sierra Leone: John Y. N. Cho - 1986-1988, U.S. Peace Corps Volunteer, Sierra Leone, Taught physics and mathematics at the St. Francis Secondary School in Makeni

By Admin1 (admin) on Thursday, June 28, 2001 - 10:05 pm: Edit Post

John Y. N. Cho - 1986-1988, U.S. Peace Corps Volunteer, Sierra Leone, Taught physics and mathematics at the St. Francis Secondary School in Makeni

John Y. N. Cho
Address: M.I.T. Lincoln Laboratory, S1-666, 244 Wood St., Lexington, MA 02420, U.S.A.
39 Refereed Publications

* 2002-present: Technical Staff, Weather Sensing Group, Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, Massachusetts.
* 1997-2002: Research Scientist, Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts.
* 1996-1998: Adjunct Research Associate, Department of Electrical and Computer Engineering, University of Colorado, Boulder, Colorado.
* August-September 1996: Visiting Scientist, Institute for Atmospheric Physics, Rostock University, Ostseebad Kühlungsborn, Germany.
* 1993-1997: Research Associate, Arecibo Observatory, National Astronomy and Ionosphere Center, Arecibo, Puerto Rico.
* 1990-1993: Graduate Research Assistant, School of Electrical Engineering, Cornell University, Ithaca, New York.
* 1988-1990: Teaching Assistant, Electrical Engineering, Cornell University.
* 1986-1988: U.S. Peace Corps Volunteer, Sierra Leone.
* 1985-1986: Teaching Assistant, Physics Department, Stanford University, Stanford, California.
* Summer, 1985: Software Engineer, RFI Elektronik GmbH, Mönchengladbach, Germany.
* Summer, 1984: Design Engineer, GE-Intersil, Cupertino, California.
* Summer, 1983: Software Engineer, OPTO-22, Huntington Beach, California.


* 1988-1993: Cornell University, Ph.D., Electrical Engineering (Planetary Science minor).
* 1985-1986: Stanford University, M.S., Electrical Engineering.
* 1981-1985: Stanford University, B.S., Electrical Engineering.


* 2000-present: Who's Who in America.
* 1998: NASA Group Achievement Award, SONEX DC-8 Flight Team.
* 1996: URSI (International Union of Radio Science) Young Scientist Award.
* 1993: CEDAR Prize: Outstanding research contribution of the year, Aeronomy Program, NSF. (Prize Lecture video available: VII. 1993 CEDAR Workshop videos.)
* 1984: Tau Beta Pi, Stanford University.

Research Interests

* Atmospheric layers, waves, turbulence, mixing, and transport.
* Stratosphere-troposphere exchange.
* Polar mesospheric summer radar echoes, noctilucent clouds, and meteoric dust.
* Atmospheric radar scattering theories and techniques.

Teaching Experience

* 1999-present: Co-lecturer, "Past and Present Climate," undergraduate/graduate class, Massachusetts Institute of Technology.
* 1993-1995: Graduate Teaching Assistant, Electrical Engineering, Cornell University.
* 1987-1988: Lecturer, Electrical Engineering, Fourah Bay College, Freetown, Sierra Leone.
* 1986-1987: Teacher, Math and Physics, St. Francis Secondary School, Makeni, Sierra Leone.
* 1985-1986: Teaching Assistant, Physics, Stanford University.

Writing and Editing Experience

* 1998: Editor, SPAM-Ku: Tranquil Reflections on Luncheon Loaf, HarperCollins, New York, 88 pp., ISBN 0060952784.
* 1997-present: Contributing Writer, RootsWorld.
* 1997: Writer, Arecibo Observatory Visitor Center Atmospheric Sciences Exhibit.
* 1996-1997: Music Columnist, The San Juan Star.
* 1994-1997: Editor, NAIC/AO Newsletter.
* Fiction and travel writing for various publications.

Computer Proficiency

* Languages: Matlab, FORTRAN, C, HTML, and LaTeX.
* Operating systems: UNIX and MacOS.

Foreign Language Skills

* Fluent in Japanese.

Scientific Community Service

* 2001: Lecturer, International School on Dynamical Barriers, Stirring and Mixing in Geophysical Flows--Mathematical Models and Applications, Cargèse, France.
* 1997: Lecturer, School on Atmospheric Radar, Tirupati, India.
* 1997: Session Chair, 8th International MST Radar Workshop.
* 1996: Session Chair, Fall AGU Meeting.
* 1995: Session Convener, 7th International MST Radar Workshop.
* 1994-1997: Editor, NAIC/AO Newsletter.
* 1994: Panelist, NSF CEDAR Program Proposal Review Panel.
* 1993-present: Reviewer, 21 research proposals (NASA, NSF, Austrian Science Fund); referee, 37 journal papers (Ann. Geophys., Geophys. Res. Lett., J. Atmos. Sci., J. Atmos. Solar-Terr. Phys., J. Geophys. Res., Nature, Q. J. R. Meteorol. Soc., Radio Sci.).

Professional Affiliations

* American Geophysical Union.
* American Meteorological Society.
* Commission G, International Union of Radio Science.


* U.S.A.

Invited Talks

* Private pilot, single-engine land (not current).
* Scuba, open water.

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By peter on Friday, November 22, 2002 - 6:11 pm: Edit Post

Hi John,
Years ago I was principal at St. Francis Secondary school at Makeni. I lost contact with the people I knew and loved and would like to get in touch with those who have some info about the status/situation of the school.
When I was in charge of the school, I employed a young women I think she was from Makeni, could have been Bumbuna-her name (first) was Teresa and I am interested in het whereabouts and how she's doing. If you have any info re: the above please send me an e-mail at:
Thanks in advance

By Josephus ( - on Wednesday, May 12, 2004 - 8:31 pm: Edit Post

Dear John,
I was one of the pupils you taught maths at St Francis secondary School Makeni. I am really impressed by your CV and fell very proud of you. Please continue to "Keep the banner High"!


By milton koroma ( - on Tuesday, May 18, 2004 - 11:01 am: Edit Post

Hi John,
I am Milton a colleague Teacher at St. Francis whilst you were a PCV. I took over as Principal of the School in 1993.Presently I am on study leave doing my Masters in Ohio University in Athens Ohio. I will be glad if we can keep in touch so I can give you updates of the school. I came here in Fall 2003.
I hope to here from you.

By Alhaji Njai ( - on Monday, February 07, 2005 - 2:08 am: Edit Post

Hi John,
I did my sixth form at St. Francis in 1989, a year after you left. I'm currently in Michigan.

By James Chitty ( - on Wednesday, October 10, 2007 - 7:40 pm: Edit Post

We were PCVs during the same time. I remember fondly how you, Valary D., and myself would work together on the PC newspaper. Great times. We had also had the hair raising experience of unknowingly running into the failed coup attempt and being briefly detained at the checkpoint outside of Songo on the way to Freetown and Lakka beach. I hope all is well with you and your family. I am married with two children living in New Jersey. Do you happen to know where Valarey would be living? Take care.

Jim Chitty PCV 86-88

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