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John Orloff

Director at Zenas BioPharma.

DirectorPublic company
Updated Nov 2, 2026·Latest SEC filing Jun 17, 2026·Suggest an edit

About John Orloff

John Orloff is a director at Zenas BioPharma.

John Orloff reports to the SEC as a director or officer of 5 public companies, including Alexion Pharmaceuticals (ALXN), Novelion Therapeutics (NVLNF) and Aegerion Pharmaceuticals (AEGR).

John Orloff first appears on SEC filings in 2015.

Experience

This experience comes from SEC filings. The years are when the filings name John Orloff in the role, so the role may have started earlier or lasted longer.

Zenas BioPharma, Inc.
Director
2022 – 2026 · Public company (ZBIO)
Alexion Pharmaceuticals, Inc.
EVP, Research & Development
2017 – 2021 · Public company (ALXN)
Novelion Therapeutics Inc.
Officer and director
2016 – 2018 · Public company (NVLNF)
Aegerion Pharmaceuticals, Inc.
EVP, Research and Development
2016 · Public company (AEGR)
Baxalta Inc
EVP and President, R&D
2015 – 2016 · Public company (BXLT)

Key Colleagues at Startups

The people John Orloff works with at each company, as listed on that company's latest Form D.

Zenas BioPharma, Inc. · Form D, May 14, 2024
PE
TK
PA
JF
Joseph Farmer
PRESIDENT and CHIEF OPERATING OFFICER
LJ
Leon Moulder, Jr.
Executive officer and director
JN
Jake Nunn
Director
TX
Tim Xiao
Director
JF
Jennifer Fox
Executive officer
JB
James Boylan
Director
TF
Tanya Fischer
Executive officer
HL
Hongbo Lu
Director

Sources

  1. SECZenas BioPharma, Inc. Form D, filed May 14, 2024
  2. SECForms 3, 4 and 5 filed by John Orloff (SEC filer 1643941)