Tim Calahan - Email & Phone Number

Vice President of Sales- Ophthalmology Business Unit at Horizon

Tim Calahan is based out of San Diego County, California, United States and works at Horizon as Vice President of Sales- Ophthalmology Business Unit.

Tim Calahan's Contact Information

Tim Calahan's Work email

t*****@horizo***.com

Valid

Latest update

September 18, 2025

Location

San Diego County, California, United States

Tim's current employer

Horizon

Description

We're Horizon, a global biotechnology company driven by a simple idea: we believe that science and compassion must work together to trans...

Website

horizontherapeutics.com

HQ Location

Dublin, Ireland, Ireland

Number of employees

1001-5000

Industry

Biotechnology Research

Latest update

April 30, 2024

Read about Horizon

Frequent questions about Tim Calahan

What company is Tim Calahan working for?

Tim Calahan works for Horizon.

What is Tim Calahan's function at Horizon?

Tim Calahan is Vice President of Sales- Ophthalmology Business Unit at Horizon.

Where is Tim Calahan based?

Tim Calahan is based out of San Diego County, California, United States.

What is Tim Calahan's work email address?

Tim Calahan's professional email address is t*****@horizo***.com

Who are Tim Calahan's co-workers?

Tim Calahan's colleagues are Zaman Anjum, Aryan Singhania, Nicole Niesel, Jane Gonnerman, Cristiane Matos, Louis Fusaro, Jacopo Leonardi, Caete Young, Patricia Corson, Vikram Karnani, Jenna Rose, Mike Kelliher, Jack Danilkowicz, William Rees, David Dieter, Brian McCarthy, Jennifer LeClair, Gábor Illei, Meg Frazier, David Gustat, Sasha Diskin, Ashley Williams, Doug Geiger, Eric Foster, Liz Gutierrez, Dean Patras, Chase Wang, Judy Zdanowicz, Mara Campbell, Barry Ivin, Roy Anderson, Matt Flesch, Tim Ackerman, Hans-Peter Zobel, Kim John.

Tim's co-workers

Zaman Anjum

Chief Executive Officer

Aryan Singhania

Company Owner

Nicole Niesel

President's Club winning Territory Sales Manager

Jane Gonnerman

Senior Vice President, Corporate Develoment and Chief of Staff, Office of the CEO

Cristiane Matos

Executive Assistant to EVP & President, International

Louis Fusaro

2 Time Presidents Club Winning (2015, 2020) Territory Manager

Jacopo Leonardi

President, Global Commercial Operations

Caete Young

Sr. Executive Assistant to Chairman, President and CEO

Patricia Corson

Presidents Club Territory Manager

Vikram Karnani

EVP and President, Global Commercial and Medical Affairs

Jenna Rose

Territory Manager- Four-time President's Club Winner

Mike Kelliher

Group Vice President M&A and Business Development

Jack Danilkowicz

SVP, Commercial Strategy & General Manager, Neuroimmunology & Rare Disease Business Units

William Rees

Vice President, Translational Sciences

David Dieter

Vice President, Legal

Brian McCarthy

Vice President, Payor Engagement Market Access

Jennifer LeClair

Executive Assistant to the Senior Vice President, General Manager, Gout & Ophthalmology

Gábor Illei

Vice President Clinical Development

Meg Frazier

Senior Administrative Assistant to the Group Vice President, Gout Business Unit

David Gustat

VP Total Rewards and HRIS

Sasha Diskin

Vice President, Talent, Diversity and Inclusion

Ashley Williams

Vice President, Corporate Systems

Doug Geiger

Vice President Commercial Development

Eric Foster

Senior Vice President and General Manager, Gout & Ophthalmology Business Units

Liz Gutierrez

Group Vice President and General Manager, Gout and Inflammation Business Units

Dean Patras

Vice President, Human Resources Business Partner, Global Commercial & Medical Affairs

Chase Wang

VP, Patient Safety & Pharmacovigilance

Judy Zdanowicz

VP, Corporate and Development Quality

Mara Campbell

Meetings & Events Project Coordinator

Barry Ivin

VP Manufacturing & Site Leader

Roy Anderson

Group Vice President, Marketing Strategy and Commercial Development

Matt Flesch

Vice President, Communications and Patient Advocacy

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