Our Leadership

  • Michael Joseph

    Michael Joseph, Chief Executive Officer

    Michael Joseph began serving as CEO in February 2024. He has worked with multiple Private Equity Firms to include New Mountain Capital and was previously on the front lines of a multi-site provider healthcare for more than 34 years.

  • Krishna Maridi

    Krishna Maridi, Chief Financial Officer

    Krishna Maridi serves Sonrava Health, Western Dental and affiliates as the Chief Financial Officer. Mr. Maridi comes to Sonrava Health with more than 25 years of US and International financial leadership experience.

  • Greg Marotta

    Greg Marotta, Chief of Staff & Chief Operating Officer

    Greg Marotta serves as Chief of Staff and Chief Operating Officer for Sonrava Health, Western Dental and affiliates, overseeing operations organization-wide.

  • Peter Truong

    Peter Truong, President - West

    Dr. Peter Truong leads the 245 Western Dental offices in California - the West region.

  • Yein Kim

    Yein Kim, President - Central

    Dr. Yein Kim leads the Sonrava, Western Dental, and affiliate offices in Texas, Colorado, New Mexico, Arizona and Nevada - the Central region.

  • Dr. Tareq Omari, President - East

    Dr. Tareq Omari has overall responsibility for leading over 100 dental practices across 15 states in the East Region.

  • Jeffrey Miller

    Jeffrey Miller, President - Integrated Care & Chief Legal Officer

    Jeffrey Miller oversees all legal matters, including corporate governance, acquisitions, regulatory compliance, litigation, human resources, and public policy.

  • Dr. Zhi Meng

    Dr. Zhi Meng, President - Sonrava Health Dental Group & Chief Dental Officer

    Dr. Zhi Meng has overall responsibility for clinical operations support for general dentistry, orthodontics and all dental specialties, including pediatric dentistry.

  • Vivek Kumar

    Vivek Kumar, Chief Credit Officer

    Vivek Kumar serves as Chief Credit Officer for Sonrava Health, Western Dental and affiliates. Mr. Kumar has nearly 18 years of consumer credit and corporate risk management experience in financial services.

  • Jon Morgan, Chief Revenue Operations Officer

    Jon Morgan joins Sonrava Health as Chief Revenue Operations Officer with more than twenty years of experience leading teams across multiple industries, including revenue cycle, information technology, and operations.

  • Jon Bennett

    Jon Bennett, Chief Information Officer

    Jon Bennett serves as Chief Information Officer for Sonrava Health, Western Dental and affiliates.

  • Eric Royal, JD, MPH

    Eric Royal, JD, MPH, Chief Compliance Officer

    Eric Royal heads the compliance, privacy, and regulatory support efforts.

  • Bill Dembereckyj

    William Dembereckyj, President – Sonrava Insurance Group

    William Dembereckyj serves as the President of Sonrava Insurance Group. Bill has nearly 30 years of financial and operational experience in the healthcare and insurance industries.

  • Eric Pellkofer

    Eric Pellkofer, National Senior VP, Orthodontics

    Eric Pellkofer is responsible for continuing to build and lead the nation’s largest orthodontics practice.

  • Patricia Himpelmann

    Patricia Himpelmann, National Senior VP, Implant Services

    Patricia Himpelmann serves as National Senior Vice President of Implant Services for Sonrava Health, Western Dental and affiliates.

  • Andrew Eddy

    Andrew Eddy, Senior VP, Real Estate & De Novo

    Andrew Eddy serves as Senior VP of Real Estate & De Novo for Sonrava Health, Western Dental and affiliates.

  • Peter Brown

    Peter Brown, Senior VP, Internal Performance & Supply Chain Management

    Peter Brown serves Sonrava Health, Western Dental and affiliates as the Senior Vice President of Internal Performance & Supply Chain Management.

  • Steven Collins

    Steven Collins, Senior VP, Financial Planning & Analysis

    Steven Collins serves as Senior Vice President of Financial Planning and Analysis for Sonrava Health, Western Dental and affiliates. Mr. Collins has over 20 years of healthcare finance leadership experience.

  • Susan Lotz

    Susan Lotz, Senior VP, Quality Management & Plan/Network Ops

    Susan Lotz serves as Senior Vice President of Quality Management & Plan/Network Ops for Sonrava, Western Dental and affiliates.

  • Pranjal Mishra

    Pranjal Mishra, Senior VP, Operations - East

    Pranjal Mishra serves as Senior Vice President of Operations for the Eastern Sonrava Health, Western Dental and affiliate offices.