Dr. Brian J. G. Pereira, M.D., has been the Chief Executive Officer and President of Visterra, Inc. since July 2013 & is the Chairman at the renowned Nephroplus. Dr. Pereira has an extensive knowledge of the factors affecting nephrology science, treatment and reimbursement. He is a world-renowned researcher and educator in the field of nephrology. He served as Strategic Advisor of AMAG Pharmaceuticals, Inc. since November 4, 2011. He served as the Chief Executive Officer of AMAG Pharmaceuticals, Inc. from November 8, 2006 to November 4, 2011 and also served as its President from November 15, 2005 to November 4, 2011.