Kamiu Lee

Proper COO + Co-Founder

Kamiu Lee is the co-founder & COO at Proper, where she leads overall business operations, marketing, and finance. Prior to Proper, Kamiu was CEO of an influencer marketplace and technology business, ACTIVATE (acquired by Impact technologies). During her experience there, she learned first hand the importance of quality sleep and its impact on physical and mental health, productivity, and the ability to lead.

Kamiu started her career as an investment banker, where she helped companies raise equity capital and go public, before various roles at Ralph Lauren, Rent the Runway, and Refinery29. She holds a BA from Boston University and an MBA from Columbia.

The State Of Sleep Science: Statistics + Clinical Studies [2022]

Stats on sleep hygiene, sleep aids, the health implications of insufficient and poor quality sleep, factors that impact sleep, and more.

May. 23, 2022

By Kamiu Lee, Alice D. Hirschel & Allison Siebern, PhD, CBSM

DEEP DIVE: The Evidence Behind Proper

When we tell you that Proper works, it’s in keeping with our science-forward ethos that we back it up with third-party data.

Dec. 07, 2021

By Kamiu Lee, Caci Massaro & Alice D. Hirschel

REAL-WORLD EVIDENCE: Customer Data Behind Our Formulations

What real-world customer data tells us about sleep improvements based on the amount of time taking Proper and the number of formulations evaluated.

Nov. 23, 2021

By Kamiu Lee & Caci Massaro

FORMULATION EVIDENCE: Clinical Studies + Data Behind Proper Supplements

In Proper's pilot clinical study, our Core formulation was studied for efficacy with respect to improved sleep quality.

Nov. 09, 2021

By Kamiu Lee & Alice D. Hirschel

INGREDIENT EVIDENCE: Clinical Studies + Data Behind Proper's Raw Materials

Evidence-backed ingredients + dosages create benefits that build over time while supporting all 4 stages of sleep.

Oct. 26, 2021

By Kamiu Lee & Alice D. Hirschel

365 Days Of Proper Sleep Later

Reflecting on the past 365 days, Proper's founding team celebrates how far the company has come...and where they go from here.

Jul. 13, 2021

By Nancy Ramamurthi, Kamiu Lee & David Berzin