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GumGum competitors & alternatives

AdtechUnited States

The 12 closest competitors and alternatives to GumGum among adtech companies — ranked by similarity to what GumGum actually does, not by market-cap band.

12Competitors listed

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About GumGum

GumGum is a global advertising technology company founded in 2008 and headquartered in Santa Monica, United States. The company operates in over 19 markets across North America, Europe, Japan, and Australia, focusing on identifying moments consumers are in the right mindset for advertising across CTV, OLV, and high-impact display.

GumGum at a glance

GumGum is an adtech company headquartered in United States. Xcout tracks 11 named people at GumGum, including Marcus Startzel (Chief Executive Officer). Xcout recorded 29 job postings from GumGum in the last 90 days.

GumGum leadership

  • Marcus StartzelChief Executive Officer
  • Adam SchenkelChief Operating Officer
  • Patrick GildeaChief Financial Officer
  • Ken WeinerChief Technology Officer
  • Katy LoriaChief Revenue Officer
  • Kelly BattelleChief People Officer

5 more named people on record for GumGum, with roles, board committees and tenure — see the full roster →

Hiring at GumGum

Xcout recorded 29 job postings from GumGum in the last 90 days, from a hiring record Xcout has kept since June 2026.

The weekly hiring trend, the roles and locations behind it — see GumGum's hiring signals →

Recent GumGum news

Top 12 GumGum competitors

Ranked by semantic similarity — how close each company is to GumGum by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.

PubMaticPUBM · AdtechRedwood City, United States
66% matchPublicAI 59/100 ▲Green 4/100 ▼

Similar adtech company

PubMatic, Inc. operates a global cloud-based infrastructure designed to facilitate real-time programmatic advertising exchanges between online publishers and advertisers. Its comprehensive suite of solutions includes Openwrap, an enterprise-level header bidding tool with robust management and analytics capabilities, including specialized versions like Openwrap OTT for over-the-top media and Openwrap SDK for in-app developers. The company also provides private marketplace options and dedicated consoles for media buyers. Further extending its offerings, PubMatic provides Real-Time Bidding (RTB) technologies that support diverse selling strategies across multiple screens and advertising formats. It employs advanced digital advertising inventory quality solutions to identify and remove fraudulent traffic and malicious activities, alongside ad quality features aimed at minimizing security, quality, and performance concerns. The Identity Hub is a privacy-conscious identity management system, enabling advertisers to utilize their preferred user identifiers securely and at scale. Moreover, PubMatic offers Audience Encore, an audience data platform, and a cross-platform video Sell-Side Platform (SSP) that links reputable video buyers with high-quality publishers. The platform is versatile, accommodating a wide spectrum of advertising formats and digital devices, such as mobile applications, mobile web, desktop, display, video, and various connected TV environments including over-the-top (OTT) services. Established in 2006, PubMatic, Inc. is headquartered in Redwood City, California.

Market cap$870.6M
Employees1,030
PythonJavaKubernetesSparkKafka
PubMatic competitors & alternatives →

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