Guy Jefferis - Email & Phone Number

Head, Global Supply Chain at Rhythm Pharmaceuticals Inc.

Guy Jefferis is based out of East Grinstead, England, United Kingdom and works at Rhythm Pharmaceuticals Inc. as Head, Global Supply Chain.

Guy Jefferis's Contact Information

Guy Jefferis's Work email

g*****@rhythm***.com

Valid

Latest update

October 27, 2025

Location

East Grinstead, England, United Kingdom

Guy's current employer

Rhythm Pharmaceuticals Inc.

Description

Learn more about how Rhythm is changing how rare genetic diseases of obesity are diagnosed and treated.

Website

rhythmtx.com

HQ Location

Boston, MA, United States

Number of employees

51-200

Industry

Biotechnology Research

Latest update

May 1, 2024

Read about Rhythm Pharmaceuticals Inc.

Frequent questions about Guy Jefferis

What company is Guy Jefferis working for?

Guy Jefferis works for Rhythm Pharmaceuticals Inc..

What is Guy Jefferis's function at Rhythm Pharmaceuticals Inc.?

Guy Jefferis is Head, Global Supply Chain at Rhythm Pharmaceuticals Inc..

Where is Guy Jefferis based?

Guy Jefferis is based out of East Grinstead, England, United Kingdom.

What is Guy Jefferis's work email address?

Guy Jefferis's professional email address is g*****@rhythm***.com

Who are Guy Jefferis's co-workers?

Guy Jefferis's colleagues are Jamie Petkunas, Andy Sontag, Camilo Roman, Alicia Fiscus, Patrick Kleyn, Alastair Garfield, Jennifer Chien, John Hulburt, Sarah Ryan, Rekha Greaves, Guojun Yuan, Shari Coslett, Nicolas Touchot, Andrew Fritz, Shubh Sharma, Dana Washburn, Deb Lewandowski, Jim Flaherty, Anthony Frank, Yann Mazabraud, Charles Savoie, Shannon Marks, Ilana Koyfman, Lisa Cortina, Jaya Gautam, Juliet O'Connor, Jennifer Bartoshevich, Gauri Malthankar, Jill Spencer, Karyn Turner, Debra Burnham, Matt Webster, Jessica Falkowitz, Mark Andersen, Boman Irani.

Guy's co-workers

Jamie Petkunas

VP, Patient and Customer Services

Andy Sontag

Vice President, Head Of Information Technology

Camilo Roman

Vice President Market Access and External Affairs

Alicia Fiscus

Vice President, Head of Global Regulatory Affairs & GCP/GLP QA

Patrick Kleyn

Senior Vice President, Translational Research & Development

Alastair Garfield

Senior Vice President, Head of Research

Jennifer Chien

Executive Vice President, Head of North America

John Hulburt

VP, Controller

Sarah Ryan

VP, US Sales and Marketing

Rekha Greaves

Vice President, Customer Engagement

Guojun Yuan

VP, Head of Biostatistics, Statistical Programming and Data Management

Shari Coslett

Vice President Clinical Operations

Nicolas Touchot

Vice President International Market Acces

Andrew Fritz

Vice President Financial Planning and Analysis

Shubh Sharma

VP Preclinical

Dana Washburn

SVP, Clinical Development

Deb Lewandowski

VP, People & Culture

Jim Flaherty

Senior Vice President & General Counsel

Anthony Frank

Vice President, Technical Operations

Yann Mazabraud

Executive Vice President, Head of International

Charles Savoie

Senior Director, Head of International Operations

Shannon Marks

Associate Director, Talent Acquisition

Ilana Koyfman

Associate Director Medical Information

Lisa Cortina

Senior Director, Procurement

Jaya Gautam

Executive Director

Juliet O'Connor

Associate Director, Patient and Customer Services

Jennifer Bartoshevich

Sr Director of Clinical Operations at Rhythm Pharmaceuticals

Gauri Malthankar

Medical Director, North America

Jill Spencer

Director, Patient Engagement and Advocacy

Karyn Turner

director, field operations & effectiveness

Debra Burnham

Sr. Director, Customer Facing Training

Matt Webster

Senior Director, Clincial Operations

Jessica Falkowitz

Director, Patient Franchise Marketing and Services

Mark Andersen

Associate Director - HCP Marketing

Boman Irani

Associate Director

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