Our Management Team

ERS boasts a dedicated team of industry professionals with a combined 80 years of experience in advancing cancer registry reporting through technology.

Rohit Nayak



Frederick L. Greene, MD, FACS

Chief Medical Officer

Matthew Bavis

CTO, Development & Infrastructure

Melanie Rogan, CTR

Director, Registry Services


Lisa Neaves

Manager, Contracts & Administration


Todd Carter

Manager, Technology & Implementation


Bonnie Nelson, CTR

Manager, Client Engagement & Implementation

Renae Neumann, BS

Manager, Marketing & Communications


Monica Guistwite, MPH, CTR

Product Management


Christi Cox, CTR

Manager, Education


Ashok Ramaswamy