· Professor, Cornell University2023–
· Associate Professor (with tenure), University of Delaware2020–2023
· Director, Sociotechnical Systems Center, University of Delaware2020–2023
· Terri Connor Kelly and John Kelly Career Development Professor, University of Delaware2018–2023
· Associate Professor (on tenure track), University of Delaware2017–2020
· Deputy Director, Urban Dynamics Institute, Oak Ridge National Laboratory2014–2017
· Lead Sustainable Theme, Urban Dynamics Institute, Oak Ridge National Laboratory2014–2017
· R &D Staff, Energy & Transportation Science Division, Oak Ridge National Laboratory2012–2013
· Senior Researcher, General Motors, Global Research & Development2010–2010
· Alvin M. Weinberg Fellow, Energy & Transportation Science Division, Oak Ridge National Laboratory2010–2012
· Ph.D. in Mechanical Engineering, University of Michigan2008–
· Postdoctoral Researcher, University of Michigan2008–2008
· Graduate Student Intern, General Motors, Global Research & Development2005–2005
· M.S. in Mechanical Engineering, University of Michigan2004–
· Graduate Student Research Assistant, University of Michigan2003–2007
· Research Assistant, National Technical University of Athens2002–2002
· Research Assistant, University of Delaware2001–2002
· Product Designer, Intracom SA2000–2001
· Diploma in Mechanical Engineering, National Technical University of Athens2000–
· Analyst, Hellenic Navy, Fleet Headquarters1998–2000