Our Team

A remarkable team, doing remarkable things

Lassen’s team is experienced and inspired, taking on some of the most challenging diseases. Our approach is grounded in honesty and transparency, our success is driven by an innovative and collaborative approach to problem-solving.

Andrew Maleki

Andrew Maleki

Corporate Development & Operations

Barbara Richardson RN, MSN

Barbara Richardson RN, MSN

VP, Clinical Operations

Bryan Peguero

Bryan Peguero

Preclinical Development & Protein Science

Christine Chidester

Christine Chidester

Molecular Cell Biology

David King, PhD

David King, PhD

Co-Founder & CSO

Deb Harris

Deb Harris

CMC & Program Management

Deborah Witherden, PhD

Deborah Witherden, PhD

Cell Biology & Preclinical Development

Eric Elliott

Eric Elliott

Cell Biology

Ivan Lu

Ivan Lu

Cell Biology

Jamie Swaney, PhD

Jamie Swaney, PhD

VP, Fibrosis & Translational Biology

Maggie Willen

Maggie Willen

Molecular Cell Biology

Mark Barrett

Mark Barrett

Co-founder & CEO

Merrick Chai

Merrick Chai

Preclinical Development & Protein Science

Puneet Arora, MD

Puneet Arora, MD

CMO

Robert Horlick, PhD

Robert Horlick, PhD

VP, Molecular Cell Biology

Shira Geller

Shira Geller

Molecular Cell Biology

Toni Jun, PhD

Toni Jun, PhD

VP, Preclinical Development