ZS Leadership Team

Andy Zoltners

Founding Director

Andris A. Zoltners, Founder and Co-Chairman of ZS Associates, is a Frederic Esser Nemmers Distinguished Professor Emeritus of Marketing at the Kellogg School of Management at Northwestern University...

Prabha Sinha

Founding Director

Prabha Sinha is Founder and Co-Chairman of ZS Associates. In 1983, Dr. Sinha and former Kellogg School of Management colleague, Andris Zoltners, founded ZS Associates and the firm’s global success was recognized by...

Jaideep Bajaj

Managing Director

Jaideep Bajaj is the Managing Director of ZS Associates. Prior to taking the firm's helm in 2003, he was the leader of the U.S. Pharmaceuticals industry group at ZS and Managing Principal of the Princeton office...

Dan Peterson

Managing Principal, Operations

Dan Peterson is the global Managing Principal, Operations, at ZS Associates and is based in Evanston, Illinois. He has extensive experience in issues of sales force strategy and marketing resource allocation....

Graham Webster

Chief Financial Officer

Graham Webster is the Chief Financial Officer at ZS Associates. He has more than 20 years of experience helping global professional services firms manage financial risk....

Jeff Griese

Chief Human Resources Officer

Jeff Griese is the Chief Human Resources Officer at ZS Associates. He has overall responsibility for the human resources operations and human capital strategy across the global organization....

Chris Wright

Managing Principal

Chris Wright is a Managing Principal on ZS Associates’ executive team and is based in Evanston, Illinois. Chris oversees ZS’s global Pharmaceuticals practice and serves as regional lead for the firm’s Midwestern and Western U.S. offices...

Craig Stinebaugh

Managing Principal

Craig Stinebaugh is a Managing Principal on ZS Associates' executive team in Princeton, N.J., and oversees ZS's global consulting services. In addition, Craig serves as regional lead for the firm’s offices in Canada and across the Eastern U.S...

Dharmendra Sahay

Managing Principal

Dharmendra Sahay is a Managing Principal on ZS Associates' executive team and leads the firm's New York office. He has worked extensively with his pharmaceutical clients to outsource and offshore...

Doug Oettinger

Managing Principal

Doug Oettinger is a Managing Principal on ZS Associates' executive team and is based in Evanston, Illinois. Since 1987, he has helped leading pharmaceutical, healthcare and industrial products firms address a broad spectrum of...

Kurt Kessler

Managing Principal

Kurt Kessler is a Managing Principal at ZS Associates in Zurich, Switzerland, and is the firm-wide leader of ZS’s Marketing Solutions area. Kurt has over 20 years of experience collaborating with hundreds of life science companies to achieve their goals...

Marshall Solem

Managing Principal

Marshall Solem is a Managing Principal on ZS Associates' executive team and is the firm-wide leader of ZS's Sales Solutions area. Marshall has worked with over 75 sales organizations ranging in size from 9 to 2,500 sales representatives...

Paul Maloney

Managing Principal

Paul Maloney is the Managing Principal for the European region and is based in ZS Associates' London office. Paul has extensive experience with sales and marketing management across a variety of issue areas...

Rohan Fernando

Managing Principal

Rohan Fernando is the Regional Managing Principal for Asia and is based in New Delhi, India. Rohan has over 15 years of healthcare consulting experience and has collaborated with over 50 companies...

Sanjay Joshi

Managing Principal

Sanjay Joshi is a Managing Principal at ZS Associates in New York. Sanjay leads the firm-wide Operations and Technology Solutions area, overseeing ZS’s global offerings in operations, technology and outsourcing...

Scott Shimamoto

Managing Principal

Scott Shimamoto is a Managing Principal on ZS Associates' executive team and leads the firm’s offices in Chicago and Evanston, Illinois. Scott has helped many companies shape, enlighten, motivate and evaluate...

Ty Curry

Managing Principal

Ty Curry is a Managing Principal at ZS Associates in San Francisco. He has worked across a number of industries including high tech, media and publishing, energy, apparel and life sciences in North America and Asia....

Adam Siskind

Office Managing Principal, Toronto

Adam Siskind is the Office Managing Principal of ZS Associates’ office in Toronto, Canada, and was part of the office’s launch team in 2002. Since then, he has helped over 50 companies align their sales...

Aaron Mitchell

Office Managing Principal, Los Angeles and San Diego

Aaron Mitchell is the Office Managing Principal of ZS Associates' offices in Los Angeles and San Diego. His primary area of expertise lies in the development and implementation of global marketing strategies...

Chris Morgan

Office Managing Principal, London

Chris Morgan is the Office Managing Principal of ZS Associates’ office in London. He has worked on a wide range of sales and marketing strategy issues...

Dan Frey

Office Managing Principal, Shanghai

Dan Frey is the Office Managing Principal of ZS Associates' office in Shanghai, China. Dan oversees a large team that focuses on assessing opportunities in China...

David Scott

Office Managing Principal, Boston

David Scott is the Office Managing Principal of ZS Associates' office in Boston. David’s experience spans a broad spectrum of sales and marketing issues in the pharmaceuticals industry...

Dharmendra Sahay

Office Managing Principal, New York

Dharmendra Sahay is a Managing Principal on ZS Associates' executive team and leads the firm's New York office. He has worked extensively with his pharmaceutical clients to outsource...

Glenn Sabin

Office Managing Principal, Princeton

Glenn Sabin is the Office Managing Principal of ZS Associates' office in Princeton, N.J. For more than 15 years, Glenn has helped his clients successfully address a vast range of sales and marketing issues...

Heather Wiederholt

Office Managing Principal, Frankfurt and Zurich

Heather Wiederholt is the Office Managing Principal of ZS Associates' offices in Frankfurt and Zurich. Her primary expertise lies in helping organizations maximize their sales and marketing capabilities...

Jude Konzelmann

Office Managing Principal, New Delhi

Jude Konzelmann is a Principal at ZS Associates in New Delhi, India. Jude is the Office Managing Principal of the firm's New Delhi office and the leader of ZS’s Sales Force Design practice...

Luca Minotti

Office Managing Principal, Milan

Luca Minotti is the Office Managing Principal of ZS Associates’ Milan office. He has over 15 years of diverse management consulting experience spanning pharmaceuticals...

Pratap Khedkar

Office Managing Principal, Philadelphia

Pratap Khedkar is the Office Managing Principal of ZS Associates' office in Philadelphia, Pa. He has extensive experience with managed care issues in the pharmaceutical industry...

Ramkumar Moorthy

Office Managing Principal, Pune

Ramkumar Moorthy is the Office Managing Principal of ZS Associates’ office in Pune, India. He has over 15 years of experience in addressing strategic sales and marketing issues...

Ron Quada

Office Managing Principal, Tokyo

Ron Quada is the Office Managing Principal of ZS Associates’ office in Tokyo, Japan. His expertise lies in sales force sizing and deployment and sales channel strategy...

Scott Shimamoto

Office Managing Principal, Chicago and Evanston

Sébastien Heilmann

Market Lead, Paris

Sébastien Heilmann is the Market Lead of ZS Associates' practice in Paris, France. Sébastien manages ZS engagements in France as well as European projects for global ZS clients ...

Stefano de Santis

Market Lead, Barcelona

Stefano de Santis is the Market Lead of ZS Associates' practice in Barcelona, Spain, and has previously served as the Office Managing Principal of ZS’s office in Milan, Italy...

Ty Curry

Office Managing Principal, San Francisco

Ty Curry is the Office Managing Principal of ZS Associates’ office in San Francisco. He has worked across a number of industries in North America and Asia...

Angela Bakker Lee

Managing Principal, Healthcare Service Providers

Angela Bakker Lee is a Principal at ZS Associates in Philadelphia, and is the leader of ZS’s global Healthcare Service Providers practice. During her 13 years at ZS, Angela has worked with Fortune 500 companies...

Ashish Vazirani

Managing Principal, High Tech and Telecommunications

Ashish Vazirani is a Principal at ZS Associates in San Mateo, Calif. He is the leader of ZS's High Tech practice as well as the firm's Sales Channel Strategy and Management practice area...