We are

THE FUTURE OF HIGH‑PERFORMANCE MATERIALS.

We believe that solutions to our most vexing problems can be found in nature. Every day we’re inspired by the amazing materials we work with and are driven by the desire to turn these materials into incredible products that solve the problems of a resource-constrained world.

We are a venture-backed, idea-driven company, led by world-class talent, and experienced executives from the technology and apparel industries.

LOCATIONS

Our global team of experts help us make a world of difference.

2009

Bolt Threads founded

2012

Spider silk fibers introduced

2017

Launched Microsilk^™ fiber

First commercial product – Microsilk^™ tie

Stella McCartney x MoMA collaboration

2018

Launched Mylo^™ material

Launched b-silk^™ protein

2020

Announced Mylo^™ consortium

Vegamour debuted GRO products made with b-silk^™ protein

2021

Stella McCartney, adidas, and lululemon Mylo^™ products revealed

2022

First Mylo^™ products from lululemon & Stella McCartney hit the market

Partnerships with GANNI & Tsuchiya Kaban announced

It started with

A SHARED VISION.

In 2009, a bioengineer, a biophysicist, and a biochemist came together with an optimistic idea that through biotechnological innovation, they could change the world. They founded Bolt Threads with the goal to develop better materials for a better world.

Meet the world-class team that’s helping bring that vision to life.

MEET OUR LEADERSHIP

Dan Widmaier, PhD

Chief Executive Officer and Founder

Dan is fascinated by finding the right conditions to grow things. Dan has carefully tended Bolt’s growth since 2009, using his passion and expertise to lead the company through technology development, expansion, and financing. He earned his Ph.D. in Chemistry and Chemical Biology from UC San Francisco, where his graduate research involved designing genetic circuits to control microbial organelles.

David Breslauer, PhD

Chief Technology Officer and
Co-Founder

David leads technology innovation at Bolt, creating and incubating biomaterials for improved consumer products. His obsession with biomaterials began with graduate research on silk during his Bioengineering Ph.D. at UC Berkeley and UCSF. David has an orange belt in Krav Maga and is a great admirer of stencil graffiti.

Cintia Nardi

Chief Operating Officer

Cintia brings extensive experience of over 25 years at Unilever, Estee Lauder, and Cosmetica. She has worked in many multi-disciplinary areas, such as Operations, Global Supply Chain, Engineering, Sales & Marketing, and Product Development. She believes in the power of people to enable sustainable change and she builds powerful high-performance teams with an intrinsic cross-functional base while focusing on the customer’s needs and the vision of the company. Cintia's responsibility is to achieve functional readiness and operational excellence. She is committed to delighting our customers with outstanding service, quality, and sustainable innovation that is based on strong partnerships and a personal commitment to Bolt's vision.

Randy Befumo

Chief Financial Officer

Randy oversees Bolt’s finance function, using his creative analysis of details to forecast, finance, and determine strategy for the business. He brings over 20 years of experience in finance and investment, most recently as Chief Financial Officer of Eventbrite where he helped to guide the company through a successful IPO. Prior to that, Randy served as Director of Research, analyst, and portfolio manager at Legg Mason Capital Management for 15 years. He lives in Larkspur, California with his wife, two kids, two cats, and one dog, plus the occasional visit from a clever family of raccoons.