10 Meta engineering leaders
From the MTIA accelerator and capacity management to Instagram ads ranking, GenAI media products and Avatars, the five directors among these Meta engineering leaders describe specific areas, while the five vice presidents bring prior roles at Facebook, Google, Snap, LinkedIn, Instabase and EverythingMe. All ten hold current Meta roles. Teams building AI products, or the chips and capacity behind them, can find someone who has worked on that layer at Meta.
Professionals to explore
Deepak Agarwal
LinkedInExperience: Vice President of Engineering · Meta
Deepak Agarwal has been Vice President of Engineering at Meta since 2026, covering AI and engineering, and Chief AI Officer at LinkedIn since 2025. Other titles include VP of Engineering, Artificial Intelligence at LinkedIn (2012–2020), Distinguished Fellow and Venture Partner at Fellows Fund since 2021 and Advisory board member at Efekta education since 2026. The applied AI leadership pick, with a long LinkedIn AI record behind it.
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Guy Lebanon
LinkedInExperience: Director of Engineering · Meta
Guy Lebanon works on Instagram ads optimization and ranking as Director of Engineering at Meta since 2025. The summary also lists director roles at Google (Android app safety, 2019–2025), Amazon (Director, Applied Science, search quality, 2017–2019) and Netflix (recommendation systems, 2016–2017), and a tenured associate professorship at Georgia Tech. Ads ranking at Meta, search quality at Amazon and recommendations at Netflix make Guy the call for ads ranking and recommender questions.
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Hnin Aung
LinkedInExperience: Director of Engineering · Meta
Hnin Aung leads the GenAI media product teams as Director of Engineering at Meta since 2024, and their LinkedIn profile says Senior Director of Engineering, Meta Superintelligence Labs. Earlier titles include Director of Engineering at Instagram (2023–2024) and at Facebook (2017–2023), and Senior Engineering Manager (2016–2017) and Engineering Manager (2015–2016) at Box. The person for generative AI media products.
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Joey Simhon
LinkedInExperience: VP, Engineering · Meta
Joey Simhon has been VP, Engineering at Meta since 2022 (2022–2024 and since 2024), now in Reality Labs, following Engineering Director (2016–2019 and 2019–2022). Earlier, Joey was Founder and CTO of EverythingMe (2010–2015). Suited to Reality Labs engineering questions and to moving from startup CTO into engineering leadership at a large company.
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Nima Khajehnouri
LinkedInExperience: Vice President of Engineering · Meta
Nima Khajehnouri, Vice President of Engineering at Meta since 2025, held the same title at Google (2024–2025), Snap Inc. (2015–2024) and NetSeer (2007–2015, as a founding member), and describes the Google work as AI/ML and the Snap role as Head of Snapchat Engineering. Four VP of Engineering roles at four companies suit questions comparing how engineering is organized at Meta, Google and Snap.
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Parth Vasa
LinkedInExperience: Director Of Engineering · Meta
Parth Vasa, Director Of Engineering at Meta since 2022, was engineering lead for Meta Avatars and Horizon Experiences (2024–2026), building an AI-powered game creation and experience app and a personalized Avatars system. Also listed: Director of Engineering at Instagram (2017–2022), Head of Search and AI at Bloomberg (2016–2017), Engineering Manager - Search and Discoverability at Bloomberg (2012–2016) and Advisor at Boosted.ai since 2020. The pick for avatar, creation tool and search questions.
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Sireesha Garlapati
LinkedInExperience: Director of Engineering · Meta
Sireesha Garlapati has been Director of Engineering at Meta since 2025, as engineering lead for a team of 100+ product and ML engineers on discovery and personalization and creator growth for the Metaverse. Meta roles also listed: Engineering Manager (2020–2025) and Software Engineer (2015–2017 and 2017–2020), with Sr Software Engineer Web Technologies and Graphics- Tegra at NVIDIA (2013–2015). Fits questions on personalization and creator growth.
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Vinod Venkataraman
LinkedInExperience: Director of Engineering · Meta
Vinod Venkataraman holds two current Director of Engineering titles at Meta, one since 2024 on capacity management infrastructure and one since 2026 tied to the MTIA accelerator, plus Director Of Engineering (2018–2022) and Engineering Manager at Facebook (2013–2015 and 2015–2018). Suited to questions on AI accelerators and on planning compute capacity.
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Willie Dai
LinkedInExperience: Vice President of Engineering · Meta
Willie Dai has been Vice President of Engineering at Meta since 2021, after Senior Director of Engineering (2013–2021) and Engineering Manager (2011–2013) at Facebook and Engineering Manager at Google (2004–2011). Willie describes scaling platforms to billions of users and work across AI, infrastructure and consumer tech. A fit for questions on scaling consumer platforms and on agile transformation, which the summary also names.
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Yee Jiun (YJ) Song
LinkedInExperience: Vice President of Engineering · Meta
Yee Jiun (YJ) Song has been Vice President of Engineering at Meta since 2022 and held the same title at Facebook (2011–2021), with Senior Vice President Of Engineering at Instabase (2021–2022) between the two. Research Scientist at Facebook (2010–2011) and Graduate Student at Cornell University (2004–2010) are also listed. Nearly a decade as a Facebook engineering vice president makes YJ a fit for questions on how Meta's engineering leadership has worked over time.
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Choose the right perspective
For AI products, Hnin Aung (GenAI media) and Deepak Agarwal (AI engineering leadership) are the closest fits; for ranking and recommendations, Guy Lebanon; for AI hardware and capacity, Vinod Venkataraman. Reality Labs, Avatars and Metaverse questions go to Joey Simhon, Parth Vasa or Sireesha Garlapati, while YJ Song, Nima Khajehnouri and Willie Dai cover running engineering organizations at the vice president level.
Questions to take into the conversation
- 01How does a consumer tech company decide when to build its own AI accelerator rather than buy GPUs?
- 02How should an ads ranking team balance advertiser results against the experience of people scrolling the feed?
- 03What does it take to staff and ship a generative AI media product inside an existing app?
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.