OpenX is a pioneering advertising technology company that powers the programmatic advertising marketplace. As one of the largest independent ad exchanges, OpenX connects premium publishers with top advertisers, enabling efficient and transparent monetization and audience reach. They focus on creating a high-quality, fair, and people-based advertising ecosystem through innovative technology, data-driven solutions, and a commitment to trust and transparency. OpenX offers a comprehensive suite of products for both publishers and buyers, including an ad exchange, supply-side platform (SSP), and data solutions.
The Pasadena headquarters serves as the central hub for OpenX's global operations, including executive leadership, core engineering, product development, sales, marketing, and corporate functions.
Modern office space designed to foster collaboration and innovation, likely featuring open-plan layouts, meeting rooms equipped with advanced technology, and employee amenities typical of leading tech companies.
OpenX fosters a dynamic and innovative work culture. Employees often describe it as fast-paced, collaborative, and focused on solving complex challenges in the ad tech space. There's an emphasis on data-driven decision-making and delivering value to clients.
The headquarters is significant as it's the birthplace of many of OpenX's technological advancements and strategic initiatives, driving its position as a leader in the programmatic advertising industry.
OpenX supports its global operations and client base through a network of strategically located offices and remote teams across North America, Europe, and Asia-Pacific. Key functions supported globally include sales, account management, publisher development, engineering, technical support, and marketing, ensuring comprehensive service for advertisers and publishers worldwide.
475 S. Grand Avenue, 15th Floor
Pasadena
CA
USA
Address: 7 World Trade Center, 250 Greenwich St, 46th Floor, New York, NY 10007
Key operational center for the East Coast US market, facilitating relationships with major brands, agencies, and publishers.
Address: The Heal's Building, 22-25 Torrington Place, London, WC1E 7HJ, UK
Strategic base for expanding OpenX's footprint and supporting clients within the diverse EMEA advertising landscape.
Address: WeWork Shimbashi, 6-19-13 Shimbashi, Minato-ku, Tokyo 105-0004, Japan
Key office for engaging with the significant and unique advertising market in Japan and the wider APAC region.
Address: Aleja Pokoju 1, Fabryczna Office Park, Budynek B1, Parter, 31-548 Kraków, Poland
Provides crucial technical expertise and operational support for OpenX's global platform, leveraging Poland's strong tech talent pool.
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As of April 2025, OpenX' leadership includes:
OpenX has been backed by several prominent investors over the years, including:
OpenX has focused on strengthening its leadership team with strategic appointments to drive product innovation and technological advancement. Key movements reflect a continued emphasis on product leadership and engineering excellence.
Discover the tools OpenX uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
OpenX primarily uses the [first].[last]@openx.com email format. Variations such as [first_initial][last]@openx.com might also be in use for some employees.
[first].[last]@openx.com
Format
john.doe@openx.com
Example
90%
Success rate
OpenX Blog • 2024-05-21
OpenX announced TV by OpenX, a new solution providing direct access to premium, curated Connected TV (CTV) inventory. This initiative aims to simplify CTV buying and enhance transparency for advertisers seeking to reach engaged audiences on large screens....more
OpenX Blog • 2024-02-27
OpenX introduced OpenXapollo, an AI-powered suite of tools designed to help publishers and advertisers succeed in a cookieless advertising environment by leveraging contextual data, first-party signals, and attention metrics....more
OpenX Press Release • 2023-11-14
OpenX announced the appointment of Michael Radovancevich as its new Chief Technology Officer. Radovancevich brings over two decades of experience in ad tech and will lead OpenX's technology vision and engineering teams....more
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