Alexandra Tenera is an Assistant Professor of Industrial Engineering at the NOVA School of Science and Technology and a UNIDEMI integrated researcher. She holds Doctorate degree in Industrial Engineering- Management Systems from FCT NOVA (2006) on Critical Chain Project Management, which that was first successfully test in Portugal in a construction Project. 

Her Theory of Constraint (TOC) walkthrough started with her PhD research work and remains till today. Her TOC current research has been extended to Integrated Continuous Improvement Management Systems, best known as TLS (TOC, Lean Six Sigma), focused to boost organizational results. More recently, a complementary TOC line of research is being pursued on Collaborative Management networks, for industry and services. 

She supervised more than 50 master dissertations several including TOC implementations in manufacturing as well as in project management and she is currently supervising 3 PhD Industrial Engineering candidates, two of them in TOC.