Mark Vitazko

Product design leader, bringing new experiences to billions of people. Previously leading design teams at Meta (Messenger, Groups, Search), and innovating at Microsoft (Azure, HoloLens, Windows).

Interested in collaborating? mark@vitazko.com.

Selected work

Meta

2019–2026

2025–2026

Messenger Design

  • Design leadership

Led a small group of designers supporting seven product teams across Facebook messaging, calling, and sharing.

2023–2025

Facebook Groups Identity

  • Design leadership
  • 0→1

Led a team that evolved anonymous posting in Facebook Groups into an identity strategy for Facebook, shipping anonymous comments and nicknames.

2023

Automated Moderation Strategy

  • Product strategy
  • AI/ML

Designed the first AI moderation tool for Facebook Groups, convincing admins to hand their busywork to the machine.

2022

Facebook Groups Northstar

  • Product strategy
  • Design leadership

Led a comprehensive sprint to overhaul the long-term strategy for Facebook Groups, leading to new teams, new bets, and a new roadmap.

2020–2022

Community Messaging

  • Product strategy
  • 0→1

Brought chat to Facebook Groups, leading the design across Facebook and Messenger and growing it to 100M+ people.

Microsoft

2012–2019

2018–2019

Azure Cognitive Services

  • UX Design
  • AI/ML

Led the design of ML-based tools for enterprise speech recognition (speech-to-text) and voice generation (text-to-speech).

2016–2018

HoloLens Partner Program

  • Partnerships

Established the curriculum and design standards for Microsoft’s first AR/VR partner certification initiative, leading live, week-long workshops for more than 120 partner companies.

2014–2016

Cortana on Devices

  • Product strategy
  • AI/ML

Designed voice-enabled hardware products (speakers, wearables), in collaboration with the Surface Design team. Also shipped Cortana Developer Tools, a conversational AI platform for third parties.

2012–2014

Windows Phone

  • UX Design
  • Partnerships

Shipped the camera experience in Windows Phone 8.1. Also worked directly with Microsoft’s largest partners on migrating their apps, including Facebook, Instagram, Spotify, Twitter, Pandora, Pinterest, and Sonos.