Henry Sleight: Email & Phone Number

Opt-Out

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

Position:

Technical Program Manager at Constellation

Location:

Oakland, California, United States

View Henry Sleight's Email

Up to 10 free lookups. No credit card required.

Last updated: 2026-07-19

Updated: 2026-07-19

Found email addresses for Henry Sleight:

Business emails:

h***y@constellation.org,

h****s@anthropic.com,

h**********t@anthropic.com

Personal emails:

h***********t@gmail.com

Found phones for Henry Sleight:

+1-870-***-**92,

+1-480-***-**63,

+1-870-***-**44,

+1-909-***-**09

A different Henry Sleight?

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 9 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 19 July 2026, reflecting their current position as Technical Program Manager at Constellation in Baltimore, MD, United States.

Similar profiles

Name

Company

Position

Sachin Chengappa

Google

Technical Program Manager

Get contacts

Prashant Nagar

Google

Technical Program Manager

Get contacts

Ajesh saketham

PayPal

Technical Program Manager

Get contacts

Aidan Ainsworth

Aptly Technology Corporation

Technical Program Manager

Get contacts

Yiting

Confluent

Technical Program Manager

Get contacts

Mark Simonelli

ARS Limited

Technical Program Manager

Get contacts

See more profiles

Other employees at Constellation

Name

Company

Position

Matthew Zaborsky

Constellation

Nuclear Intern

Get contacts

Samuel Coppa

Constellation

Valve Services Machinist

Get contacts

Brian Le

Constellation

Retail Operations Intern

Get contacts

Grant Novinger

Constellation

Senior Reactor Operator ILT

Get contacts

Brian Burch

Constellation

Project Engineer

Get contacts

Ryan Rastad

Constellation

Mechanical Engineering Intern

Get contacts

Taylor Jennings

Constellation

Talent & Organizational Development Intern

Get contacts

Cameron Schaubel

Constellation

Engineer 1

Get contacts

Sara Gordon

Constellation

Manager, Federal Regulatory Affairs

Get contacts

Noel Wright II

Constellation

Business Operations Analyst

Get contacts

See more profiles

Data Privacy

GDPR COMPLIANT

SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.

CCPA COMPLIANT

SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.