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Homepage Internet Service Providers, Website Hosting & Internet-related Services 33Across

Matt Kiefer


Matt Kiefer

Senior Product Manager

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Phone (HQ)

(646) 606-2174

Phone (HQ)






Office Address (HQ)

229 W 28th St, Fl 4, New York City, New York, 10001, United States

Office Address (HQ)

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Work Biography for Matt Kiefer, 33Across

Matt Kiefer works as a Senior Product Manager at 33Across, which is an Internet Service Providers, Website Hosting & Internet-related Services company with an estimated 70 employees; and founded in 2007. They are part of the Product Management team within the Engineering & Technical Department and their management level is Non-Manager. Matt is currently based in Atlanta, United States.

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Matt's Workplace


33Across builds technology for publishers to increase the value of their inventory and safely monetize it for the open internet within the bounds of privacy. Our supply-side platform allows publishers to transition to a cookieless world with unified addressability, curated audiences, and monetizatio...Read More

229 W 28th St, Fl 4, New York City, New York, 10001, United States


$100 M

Internet Service Providers, Website Hosting & Internet-related Services, Telecommunications

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Matt’s company in the news


33Across’ Lexicon Identity Solution Sees 15X Year over Year Growth in Daily Cookieless Revenue for Publishers

June 14, 2022


33Across Announces Results of Strategic Partnership with

March 28, 2022


33Across Appoints Ad Tech Veteran Matt Gillis to Board of Directors

September 21, 2021

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Insights to Break the Ice

In your first interaction

star Matt’s CEO is Eric Wheeler

star Matt is located in United States

star 33Across SiteCTRL by 33Across is used by 1,582 companies

funding 33Across’s Funding

Last funding


February 5, 2021

Total raised


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Frequently Asked Questions about Matt Kiefer

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What company does Matt Kiefer work for?

Matt Kiefer works for 33Across

What is Matt Kiefer’s title in 33Across?

Matt Kiefer’s title in 33Across is Senior Product Manager

Where is Matt Kiefer located?

Matt's company headquarters are in New York City, New York

What is Matt Kiefer’s headquarters phone number?

Matt Kiefer’s headquarters phone number is (646) 606-2174