Leadership Team
The Breakthrough Leadership Team has dedicated their careers to the investment, construction and operations of best-in-class life science real estate.
![Dan Belldegrun](/wp-content/uploads/2021/12/DanB-1.png)
Dan Belldegrun
Chief Executive Officer and Co-Founder
![Dan D'Orazi](/wp-content/uploads/2021/12/DanD.png)
Daniel D’Orazi
EVP and Chief Investment Officer
![](/wp-content/uploads/susie-no-back-e1654008223301-1024x1024.png)
Susie Harborth
Chief Business Officer
![Lesley Chao](/wp-content/uploads/2021/12/LesleyC..png)
Lesley Chao
Chief Financial Officer
![](/wp-content/uploads/Christian-background-2-e1653971865145-1024x991.png)
Christian Heimple
SVP, Design & Construction
![Sabine Heller](/wp-content/uploads/sabine-heller-copy.jpg)
Sabine Heller
SVP and Chief Experience Officer
![Aaron Kazam](/wp-content/uploads/2021/12/AaronK.png)
Aaron Kazam
SVP, Acquisitions
![Tom Renn](/wp-content/uploads/2021/12/TomR.png)
Thomas Renn
SVP, Acquisitions & Development, Europe
![](/wp-content/uploads/Kinsey-no-back-2-e1654007198714-1024x949.png)
Kinsey Sale
SVP, Asset Management
![Jenni Warne](/wp-content/uploads/2021/12/JenniW.png)
Jennifer Warne
SVP, Legal and Chief Compliance Officer
![Peter Oden](/wp-content/uploads/Peter-Oden-square-1-1024x1024.jpg)
Peter Oden
VP, Portfolio Management
BOARD OF DIRECTORS
Breakthrough Properties is backed by a joint venture between Tishman Speyer and Bellco Capital.
![Rob Speyer](/wp-content/uploads/2021/12/RobSpeyer.jpg)
Rob Speyer
Tishman Speyer
President and Chief Executive Officer
President and Chief Executive Officer
![Arie Belldegrun](/wp-content/uploads/2021/12/ArieBelldegrun.jpg)
Arie Belldegrun, M.D.
Bellco Capital
Chairman
Chairman
![Rebecka Belldegrun](/wp-content/uploads/2021/12/RebeckaBelldegrun.jpg)
Rebecka Belldegrun, M.D.
Bellco Capital
Founder and Chief Executive Officer
Founder and Chief Executive Officer
![Paul Galiano Tishman Speyer Senior Managing Director, Co-Head of U.S. Acquisitions](/wp-content/uploads/Paul-Galiano-3.jpg)
Paul Galiano
Tishman Speyer
Senior Managing Director, Co-Head of U.S. Acquisitions
Senior Managing Director, Co-Head of U.S. Acquisitions
![Joseph Doran](/wp-content/uploads/2021/12/JosephDoran.jpg)
Joseph Doran
Tishman Speyer
Senior Managing Director, Chief Financial Officer
Senior Managing Director, Chief Financial Officer
![Joshua Kazam](/wp-content/uploads/2021/12/JoshuaKazam.jpg)
Joshua Kazam
Two River Group
Co-Founder and Partner
Co-Founder and Partner
![Michael Benner](/wp-content/uploads/2021/12/MichaelBenner.jpg)
Michael Benner
Tishman Speyer
Senior Managing Director, General Counsel
Senior Managing Director, General Counsel
![Josh Bradley](/wp-content/uploads/2021/12/JoshBradley.jpg)
Josh Bradley
Bellco Capital
Chief Investment Officer
Chief Investment Officer
Scientific Advisory Board
Our world-renowned Scientific Advisory Board (“SAB”) of leading scientists, entrepreneurs, CEOs and venture capital investors bring their decades of experience to our unique platform for the benefit of our client-tenants.
![Arie Belldegrun](/wp-content/uploads/2021/12/ArieBelldegrun.jpg)
Arie Belldegrun, M.D.
Executive Chairman and Co-Founder of Allogene, Chairman of Bellco Capital, Two River Group, UroGen Pharma and Kronos Bio
![Franz Humer](/wp-content/uploads/2021/12/FranzHumer.jpg)
Franz Humer, M.D.
Chairman of Humer Foundation, Former Chairman and CEO of Roche Holding
![Liz Barrett](/wp-content/uploads/2021/12/LizBarrett.jpg)
Liz Barrett
CEO of UroGen Pharma, Former CEO of Oncology at Novartis
![Owen Witte](/wp-content/uploads/2021/12/OwenWitte.jpg)
Owen N. Witte, M.D.
UCLA Professor of Microbiology, Immunology, and Molecular Genetics & President’s Chair of Development Immunology
![David Chang](/wp-content/uploads/2021/12/DavidChang.jpg)
David Chang, M.D., PhD
Co-Founder and CEO of Allogene Therapeutics, Former Chief Medical Officer of Kite Pharma
![Helen Kim](/wp-content/uploads/2021/12/HelenKim-150x150.jpg)
Helen Kim
Managing Director at Vida Ventures, Former Partner at Column Group and Executive Vice President of Business Development at Kite Pharma
![Arjun Goyal](/wp-content/uploads/2021/12/ArjunGoyal.jpg)
Arjun Goyal, M.D., MBA
Co-Founder and Managing Director at Vida Ventures, Former Investment Professional at 5AM Ventures
![Stefan Vitorovic](/wp-content/uploads/2021/12/StefanVitorovic.jpg)
Stefan Vitorovic
Co-Founder and Managing Director at Vida Ventures, Former Investment Professional at Third Rock
![Ben Belldegrun](/wp-content/uploads/2021/12/BenBelldegrun.jpg)
Ben Belldegrun
Managing Director and Founder of Pontifax AgTech, Former Portfolio Manager for Brevan Howard Asset Management
![Amy Schulman](/wp-content/uploads/2021/12/AmySchulman-300x300.jpg)
Amy Schulman
Managing Partner at Polaris Partners, Former general counsel at Pfizer and President, Pfizer Consumer Healthcare
![Jakob Loven](/wp-content/uploads/2021/12/loven-bw-300x300.jpg)
Jakob Loven, PhD
Managing Partner at Nextech Invest; co-founder Relay Therapeutics (NASDAQ: RLAY) and Syros Pharmaceuticals (NASDAQ: SYRS)