John Sim - Email & Phone Number

Head of Information Technology & Security at Viooh

John Sim is based out of London, England, United Kingdom and works at Viooh as Head of Information Technology & Security.

John Sim's Contact Information

John Sim's Work email

j*****@vioo***.com

Valid

Latest update

November 1, 2025

Location

London, England, United Kingdom

John's current employer

Viooh

Description

VIOOH is a leading global digital out of home marketplace, combining data and technology, connecting buyers and sellers, all with full tr...

Website

viooh.com

HQ Location

London, England, United Kingdom

Number of employees

51-200

Industry

Advertising Services

Latest update

April 30, 2024

Read about Viooh

Frequent questions about John Sim

What company is John Sim working for?

John Sim works for Viooh.

What is John Sim's function at Viooh?

John Sim is Head of Information Technology & Security at Viooh.

Where is John Sim based?

John Sim is based out of London, England, United Kingdom.

What is John Sim's work email address?

John Sim's professional email address is j*****@vioo***.com

Who are John Sim's co-workers?

John Sim's colleagues are Jean-Christophe Conti, Calvin Chan, Micah Newcombe, Esther Moore, Melissa CIPD, Michelle Langelaan, Layla Soufi, Venkatesh Halli, Chiara Cordiali, Benoît Vidal, George Brand, Jem Djemal, Steve Norman, Shamini Moganadhass, Görkem MERAL, Kora Ho, Frances McCann, Derek Hawkesworth, Grant Coulson, Stephen Donlon, Carrie Ward, David Moore, Mark Sadler, Matt Farrow, Philippa Evans, Andy Johnston, Karyn Anderson, Kevin AMCT, Simon Berry, Hugo Burban, Nassim Aissat, Kevin Leung.

John's co-workers

Jean-Christophe Conti

Talent Acquisition Coordinator

Regional Partnerships Director, DSP's, EMEA

Venkatesh Halli

Tech Lead - Data Engineering

Chiara Cordiali

Regional Partnership Director - Southern Europe/LATAM/MEA

Benoît Vidal

Director, Data Products and Partnerships

George Brand

Head of Delivery & QA

Jem Djemal

Global New Business Lead

Steve Norman

Head of Engineering

Shamini Moganadhass

Regional Partnerships Director

Görkem MERAL

Head of Analytics

Kora Ho

Regional Partnership Director

Frances McCann

Head of DSP Partnerships, Global

Derek Hawkesworth

Head of Technology and Infrastructure

Grant Coulson

Technical Solutions Director

Stephen Donlon

Technical Lead

Carrie Ward

Operations Research Lead

David Moore

Head of Agile Delivery

Head of Product Deployment

Karyn Anderson

Head of Product Training

Regional Partnership Director

Nassim Aissat

Director, Product Ops & Deployment

Kevin Leung

Head of Operations

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