Sebastian Nash - Email & Phone Number

Head of IT at Tessian

Sebastian Nash is based out of London, England, United Kingdom and works at Tessian as Head of IT.

Sebastian Nash's Contact Information

Sebastian Nash's Work email

s*****@tessi***.com

Valid

Sebastian Nash's Personal email

s*****@gmai***.com

Valid

Sebastian Nash's Phone number

+1 (212) *** ****

Latest update

October 14, 2025

Location

London, England, United Kingdom

Sebastian's current employer

Tessian

Description

Tessian enterprise email security protects employees from themselves. DLP and spear phishing protection. Automatically detect email threats.

Website

tessian.com

HQ Location

Boston, Massachusetts, United States

Number of employees

201-500

Industry

Computer And Network Security

Latest update

May 1, 2024

Read about Tessian

Frequent questions about Sebastian Nash

What company is Sebastian Nash working for?

Sebastian Nash works for Tessian.

What is Sebastian Nash's function at Tessian?

Sebastian Nash is Head of IT at Tessian.

Where is Sebastian Nash based?

Sebastian Nash is based out of London, England, United Kingdom.

What is Sebastian Nash's work email address?

Sebastian Nash's professional email address is s*****@tessi***.com

What is Sebastian Nash's personal email address?

Sebastian Nash's personal email address is s*****@gmai***.com

Who are Sebastian Nash's co-workers?

Sebastian Nash's colleagues are Tim Sadler, Julia Hudson, Jenni Avdic, Tom Adams, Edward Bishop, Henry Thomas, Gün Akkor, Elaine Mao, Yin Cheng, Aaron Cote, Matthew Smith, Kim Burton, Majda Lazarevic, Phil O'Hagan, Jade Jarvis, Morgane Zerath, Henry Gorst, Alex Pinkney, Mariana Prazeres, Craig Callender, Michael Laws, Daniel Linder, Chloe Love, Jen McCoy, Lyndsey Gibbons-Neff, Erez Haimowicz, Kelli Hogan, Ben Freeman, Melanie Brancaleone, Matthew Gavin, Margaret Covert.

Sebastian's co-workers

Tim Sadler

Co-founder & CEO

Julia Hudson

Executive Assistant To Chief Executive Officer

Jenni Avdic

Executive Assistant To Chief Executive Officer

Tom Adams

Co-Founder - Head of Client-side Engineering

Edward Bishop

Co-founder & CTO

Henry Thomas

Vice President of Customer Success

Gün Akkor

Vice President of Engineering

Elaine Mao

VP, Biz Ops

Yin Cheng

Vice President, Sales Operations

Aaron Cote

Vice President of Global Sales

Matthew Smith

Chief Strategy Officer (CSO)

Kim Burton

Head of Trust and Compliance

Majda Lazarevic

Senior Engineering Director

Phil O'Hagan

Head of Pre-Sales

Jade Jarvis

Director, People Experience (Engineering & Product)

Lead Software Engineer in Test

Craig Callender

Lead Software Engineer

Michael Laws

Head of Talent

Daniel Linder

Senior Director of Data Science

Chloe Love

Customer Programs Lead

Jen McCoy

Director, Sales

Lyndsey Gibbons-Neff

Head of Customer Success

Erez Haimowicz

Director of Global Sales Enablement

Kelli Hogan

Head Of Marketing Communications

Ben Freeman

Head of International Growth

Melanie Brancaleone

Director, Integrated Marketing

Matthew Gavin

Director of Corporate & GTM Finance

Margaret Covert

Head Talent Acquisition Manager North America

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