Positions

  • Varsity Tutors, St Louis, MO, USA
    • Date: February 2022 – present
    • Position: Freelance online instructor
  • Pacific Architects and Engineers (PAE), Starr Commonwealth, Albion, MI, USA
    • Date: June 2021 – November 2021
    • Position: Instructor to unaccompanied minors from Central America and Afghanistan
  • Department of Physics, Western Michigan University, Kalamazoo, USA
    • Date: July 2016 – January 2021
    • Position: Associate Research Fellow
  • Physics Center, Venezuelan Institute for Scientific Research (IVIC), Caracas, Venezuela
    • Date: July 2015 – present
    • Position: Emeritus Research Fellow
  • Department of Physics, Western Michigan University, Kalamazoo, USA
    • Date: January 2013 – February 2014
    • Position: Associate Research Fellow
  • Venezuelan Association for the Advancement of Science (AsoVAC)
    • Date: June 2006 – December 2008
    • Position: General Secretary of Caracas Branch
  • National Center for Scientific Computing Los Andes University (CeCalCULA).
    • Date: April 2004 – July 2013
    • Position: Associate Research Fellow
  • Venezuelan Association for the Advancement of Science (AsoVAC).
    • Date: March 2003 – June 2006
    • Position: Member of the Board of Directors of Caracas Branch
  • IVIC Association of Researchers (AsoInIVIC)
    • Date: September 2002 – October 2003
    • Position: President
  • Laboratory for High Energy Astrophysics, NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
    • Date: September 2001 – August 2002
    • Position: National Research Council Senior Research Associate
  • Physics Center, Venezuelan Institute for Scientific Research (IVIC), Caracas, Venezuela
    • Date: April 2000 – July 2015
    • Position: Senior Research Fellow
  • Université Paris 7, Paris, France
    • Date: July 1999 – August 1999
    • Position: Professeur Invité
  • Observatoire de Paris, Meudon, France
    • Date: June 1997 – September 1997
    • Position: Poste Rouge du CNRS
  • Physics Center, Venezuelan Institute for Scientific Research (IVIC), Caracas, Venezuela
    • Date: January 1997 – April 2001
    • Position: Head of Center
  • Physics Center, Venezuelan Institute for Scientific Research (IVIC), Caracas, Venezuela
    • Date: March 1995 – March 2000
    • Position: Tenured Associate Research Fellow
  • Computing Network, Venezuelan Institute for Scientific Research (IVIC), Caracas, Venezuela
    • Date: January 1995 – November 1998
    • Position: Head of Center
  • Physics Center, Venezuelan Institute for Scientific Research (IVIC), Caracas, Venezuela
    • Date: May 1994 – February 1995
    • Position: Research Fellow III-3
  • IBM Venezuela Scientific Center, Chuao, Caracas, Venezuela
    • Date: November 1983 – May 1994
    • Position: Research Consultant
  • Physics Department, Simón Bolívar University (USB), Sartenejas, Venezuela
    • Date: September 1982 – December 1985
    • Position: Assistant Professor
  • Department of Physics and Astronomy, University College London, Gower Street, LondonWC1E 6BT, England
    • Date: October 1979 – September 1982
    • Position: SERC Research Assistant
  • Universidad Nacional Experimental del Táchira, San Cristóbal, Venezuela
    • Date: May 1974 – August 1975
    • Position: Assistant Professor