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, Growth & Strategic Services

Lisa Neaves

Director, Contracts & Administration


Todd Carter

Director, Technology & Implementation


Bonnie Nelson, CTR

Director, Client Engagement & Implementation

Renae Neumann, BS

Manager, Marketing & Communications


Monica Guistwite, MPH, CTR

Product Management

Amy Arnold, CTR

Manager, Strategic Services

Jonathan Rakestraw

Jonathan Rakestraw, BS, CTR

Manager, Client Engagement


Ashok Ramaswamy