Henry Sleight

Henry Sleight: Email & Phone Number

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Technical Program Manager at Constellation|Oakland, California, United States

Position:

Technical Program Manager at Constellation

Location:

Oakland, California, United States

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Last updated: 2026-05-26
Updated: 2026-05-26

Found email addresses for Henry Sleight:

Business emails:
h****s@anthropic.com,
h**********t@anthropic.com
Personal emails:

Found phones for Henry Sleight:

+1-480-***-**63,
+1-870-***-**44,
+1-909-***-**09
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Work Experience 9 years

Technical Program Manager at Constellation

Dec 2024 - Current

Member of Technical Staff at Anthropic

Dec 2024 - Mar 2026

Research Manager & Program Lead at ML Alignment & Theory Scholars

Apr 2024 - Mar 2025

AI Safety Research Fellow, Astra Fellowship at Constellation

Jan 2024 - Apr 2024

Research Manager & Program Lead at SERI MATS

Jun 2023 - Dec 2023

AI Safety Talent Research at EA Funds

Oct 2022 - Jun 2023

Oxford Campus Director at The Centre for Effective Altruism

Aug 2021 - Jul 2022

Co-Founder, Chief of Staff at Global Challenges Project

May 2021 - Jun 2022

HR Project Administrator at Oundle School

Jul 2017 - Aug 2017

Henry Sleight started working in 2017, then the employee has changed 7 companies and 7 jobs. On average, Henry Sleight works for one company for 10 months.

Their professional focus is Academic Writing, AI Research, and Communication across 3 core areas.

Education

Bachelor of Arts - BA at University of Oxford

Frequently Asked Questions

What is Henry Sleight's email address?

SignalHire found verified email addresses for Henry Sleight, both business and personal. Their business email is h***y@constellation.org, and personal emails include h***********t@gmail.com.

What is Henry Sleight's phone number?

SignalHire found multiple verified phone numbers for Henry Sleight: +1-870-***-**92, +1-480-***-**63, and +1-870-***-**44.

How do I contact Henry Sleight at Constellation?

You can reach Henry Sleight 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 Henry Sleight's professional background?

Henry Sleight has 9 years of professional experience. They have held roles including Member of Technical Staff, Research Manager & Program Lead, and AI Safety Research Fellow, Astra Fellowship at companies such as Anthropic, ML Alignment & Theory Scholars, and Constellation. Their education includes Bachelor of Arts - BA from University of Oxford.

Is Henry Sleight's contact information up to date?

Yes. Henry Sleight's SignalHire profile was last updated on 26 May 2026, reflecting their current position as Technical Program Manager at Constellation in Baltimore, MD, United States.

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