Marin Lang
Senior Associate
Marin joined .406 Ventures in 2025 as a Senior Associate with several years of finance and investing experience across the healthcare industry.
Before .406, Marin was an Associate on the healthcare investment team at Arsenal Capital Partners, where she invested in tech-enabled businesses working to transform revenue cycle management, autism therapy, and drug development. Prior to this, Marin worked at Morgan Stanley on the Healthcare Investment Banking team.
Having been a patient at both Boston Children’s Hospital and Massachusetts General Hospital, Marin has been deeply connected to the Boston healthcare system. As a result, she has developed a personal passion for healthcare and improving access to care for all.
Originally from Weston, MA, Marin has spent much of her life in Boston and enjoys spending time with family and friends, trying new workout classes, and watching the latest tv shows.
Marin received a BA in Social Studies, with a focus on access to healthcare, from Harvard College.
How I want entrepreneurs to perceive me
As someone they can turn to and rely on for any questions they have.
After work I’ll be
At Solidcore or on the couch watching tv.
Favorite book
The Nightingale by Kristin Hannah—or any WWII historical fiction.
Favorite desination
Nantucket.
Best part of the day
Sunset—preferably from a beach but a city view will do as well.
Still on your bucket list
Japan, Croatia, South Africa, Australia, Ireland.
In a past life I
Should have been a doctor.
Most proud of
Being the oldest sister to my four siblings.