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John Landenberger

Senior Account Executive at Harrison and Star

John Landenberger is an Account Supervisor at Harrison and Star, a healthcare marketing agency based in New York City.2 He previously held the position of Senior Account Executive at the same company. Harrison and Star is a full-service, global healthcare marketing agency that combines creative work, strategic planning, and scientific expertise.1

While specific details about John Landenberger's background are limited, we can provide some context about his workplace:

  1. Harrison and Star is located in New York, New York, with an annual revenue of $77.4 million as of 2025.1
  2. The company was founded in 1986 and has around 277 employees.1
  3. Harrison and Star specializes in healthcare marketing, scientific advancement, and pharmaceutical marketing.1

It's worth noting that Harrison and Star experienced some challenges in 2022, with revenue dropping from $115 million in 2021 to $70 million.3 However, the company has been working on reimagining its purpose and strategic direction under new leadership.3

Highlights

Dec 31 · dla.mil
[PDF] Defense Logistics Agency - DLA
Jun 12 · mmm-online.com
Agency 100 2023: Harrison and Star - Medical Marketing and Media
Jun 2 · mmm-online.com
Harrison and Star- MM+M - Medical Marketing and Media
Jan 1 · rocketreach.co
Harrison and Star Information - RocketReach
Jan 1 · bloomberg.com
Harrison & Star Inc - Company Profile and News - Bloomberg Markets

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John Landenberger
John Landenberger, photo 1
John Landenberger, photo 2
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Location

New York, New York