Koki Hayashi: Email & Phone Number

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Postdoctoral Research Fellow at Harvard Medical School - Massachusetts General Hospital|Tokyo, Tokyo, Japan

Position:

Postdoctoral Research Fellow at Harvard Medical School - Massachusetts General Hospital

Location:

Tokyo, Tokyo, Japan

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Last updated: 2026-07-11

Updated: 2026-07-11

Found email addresses for Koki Hayashi:

Business emails:

h**@massgeneral.org

Found phone for Koki Hayashi:

+81-***-***-7960

A different Koki Hayashi?

Work Experience 8 years

Postdoctoral Research Fellow at Harvard Medical School - Massachusetts General Hospital

Aug 2024 - Current

General Surgeon at Tamakyuryo hospital

Apr 2022 - Jul 2024

Chief Medical Resident at Keio University Hospital 慶應義塾大学病院

Apr 2021 - Mar 2022

Resident Doctor at Cancer Institute Hospital of JFCR

Apr 2020 - Mar 2021

Resident Doctor at Keio University Hospital 慶應義塾大学病院

Apr 2018 - Mar 2020

Koki Hayashi started working in 2018, then the employee has changed 3 companies and 3 jobs. On average, Koki Hayashi works for one company for 1 year 7 months.

Their professional focus is Gastrointestinal Surgery, General Surgery, and Hepatobiliary Surgery across 3 core areas.

Education

Master's degree at Keio University (慶應義塾大学)

Doctor of Medicine - MD at Keio University (慶應義塾大学)

Frequently Asked Questions

What is Koki Hayashi's email address?

SignalHire found a verified business email address for Koki Hayashi: h**@massgeneral.org.

What is Koki Hayashi's phone number?

SignalHire found a verified phone number for Koki Hayashi: +81-***-***-7960.

How do I contact Koki Hayashi at Harvard Medical School - Massachusetts General Hospital?

You can reach Koki Hayashi through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Koki Hayashi's professional background?

Koki Hayashi has 8 years of professional experience. They have held roles including General Surgeon, Chief Medical Resident, and Resident Doctor at companies such as Tamakyuryo hospital, Keio University Hospital 慶應義塾大学病院, and Cancer Institute Hospital of JFCR. Their education includes Master's degree from Keio University (慶應義塾大学), and Doctor of Medicine - MD from Keio University (慶應義塾大学).

Is Koki Hayashi's contact information up to date?

Yes. Koki Hayashi's SignalHire profile was last updated on 11 July 2026, reflecting their current position as Postdoctoral Research Fellow at Harvard Medical School - Massachusetts General Hospital in Boston, Massachusetts, United States.

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