Leadership Team

Brent Herspiegel

Founder And CEO

Beth Schurman

Co-Founding Partner and COO

Greg Chandler

Chief Financial Officer

Hayes MacArthur

Chief People Officer

Eric Matckie

Chief Growth Officer

Commercial Team

Mike Blackney

Market Access Leadership Team, HEOR

Ryan Goulding

Partner

Maik Klasen

General Manager, Sr. Partner

Santosh Naik

Partner, Launch Excellence Practice Lead

Esther Nzenza

Senior Partner, Global Value and Market Access

Jerry O’Sullivan

Partner

Swathi Rangan

Partner

Brian Torres

Partner, Patient Services Practice Lead

James Convery

Principal, Market Access

Patrick Hillan

Principal, Science and Strategy

Mariana Kura

Principal

Everett Lozzi

Principal, Launch Excellence

Will Sargent

Principal

Rachel Sosalski

Principal

Chris Zealey

Principal, Science and Strategy

Steve Coley

Vice President, Business Development

Alexis Gescheider

Vice President, Commercialization

Collin Wolf, PharmD

Director, Business Development & Client Success

Esther Nzenza

Senior Partner, Global Value and Market Access

Specialties

Esther founded Decisive Consulting in 2020 following 23 years’ experience in the pharmaceutical and biotechnology industry at national, regional, and international levels.

Over her career, Esther has built and led Market Access and HEOR organizations and has additionally led all commercial functions across international markets. She is best known for her ability to solve complex problems, from optimizing organizational ways of working to addressing specific external challenges and finding the hidden opportunity.

Recently recognized as “One to Watch” in the 2024 Times and LDC Top 50 Most Ambitious Business Leaders awards, Esther is passionate about diversity and inclusion and champions “rebel thinking” to uncover new possibilities.

Thought Leadership

    Leadership Team

    Founder And CEO

    Co-Founding Partner and COO

    Chief Financial Officer

    Chief People Officer

    Chief Growth Officer

    Market Access Leadership Team, HEOR

    General Manager, Sr. Partner

    Partner, Launch Excellence Practice Lead

    Senior Partner, Global Value and Market Access

    Partner, Patient Services Practice Lead

    Principal, Market Access

    Principal, Science and Strategy

    Principal

    Principal, Launch Excellence

    Principal

    Principal, Medical Communications

    Principal

    Director, Patient Services

    Principal, Science and Strategy

    Vice President, Business Development

    Vice President, Commercialization

    Director, Business Development & Client Success

    Director, People, Culture and Operations

    Senior Manager