 zaven kalayjian senior fellow zaven kalayjian is a principal engineer at applied physical sciences in arlington va until then he was a senior consultant at booz allen hamilton and a visiting scientist at johns hopkins university medical school from 2001 to 2009 he worked and lived in yerevan armenia he was director of microelectronics at epygi labs am an adjunct professor in cis at the american university of armenia and has worked as a consultant and in a number of startups in armenia in the telecom and technology sector he is also a deacon in the armenian apostolic church and has developed and run religious education and catechetical programs in yerevan dr kalayjian currently resides in maryland and is active in the dcmetro armenian community no  