Jejen Fauzan telah bergabung dengan SurveyMETER Indonesia sejak tahun 2007. Beliau menyelesaikan program Sarjana Perbandingan Madzhab dan Hukum, Fakultas Syari’ah, UIN Sunan Kalijaga Yogyakarta dan saat ini di SurveyMETER sebagai staf peneliti. Projek-projek yang telah dikerjakan antara lain: PNPM-KDP Impact Evaluation Survey 2007, Indonesian Family Life Survey 4, Household (IFLS-4 HH) 2007, Baseline Data collection for the Impact Evaluation of Total Sanitation & Sanitation Marketing (TSSM/STOPS) In Indonesia 2008, The Effectively Targeting Anti-Poverty Programs (Endline Survey) 2008, Indonesia Sanitation Survey 2011 in East Java 2011, The Based Line Basic Education Capacity-Trust Fund (BEC-TF) / Local Government Capacity Survey (LGCS) 2012, Annual Survey SUM2 Program 2013, Indonesian Family Life Survey 5, Household (IFLS-4 HH) 2014.