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A4's Overview

Total employees142
HeadquartersLong Island City
Founded

a4 is the advanced advertising and data business of Altice USA, providing audience-based, multiscreen advertising solutions to local, regional, and national advertisers and MVPDs. a4 enables advertisers to reach their target audiences with precision and scale, leveraging advanced data analytics and a wide range of advertising inventory across television, digital, and mobile platforms. Its mission is to deliver more effective and efficient advertising outcomes for clients by making advertising more addressable and accountable.

Where is A4's Headquarters?

HQ Function

Serves as the primary corporate office for Altice USA, housing executive leadership, strategic planning, technology development, and administrative functions supporting all its brands, including a4's advertising operations.

Notable Features:

One Court Square is an architecturally distinctive 50-story skyscraper, one of the tallest in Queens, offering panoramic views and modern office amenities. It's a prominent landmark in the Long Island City skyline.

Work Culture:

A dynamic, innovative, and fast-paced environment, characteristic of the advertising technology and media sectors. Strong emphasis on data-driven decision-making, collaboration, client-centric solutions, and technological advancement.

HQ Significance:

The headquarters is crucial for Altice USA's strategic operations, guiding the development, innovation, and deployment of a4's advanced advertising solutions and integrating them within the broader Altice ecosystem.

Values Reflected in HQ: The headquarters' location in a vibrant business district and its modern infrastructure reflect values of innovation, connectivity, ambition, and a forward-thinking approach, aligning with Altice USA's and a4's position in the evolving media landscape.

Location:

a4's primary operational focus is within the United States, driven by its parent company, Altice USA. While direct international offices under the a4 brand are not prominent, its strategies and technologies are informed by global advertising trends and innovations. Altice USA is part of the broader Altice group, which has a significant international footprint in telecommunications and media, potentially allowing for knowledge sharing and access to global best practices in advertising technology, data analytics, and media strategies.

Street Address:

1 Court Square West

City:

Long Island City

State/Province:

New York

Country:

USA

A4's Global Presence

Plano, Texas, USA

Address: 275 W Plano Pkwy, Plano, TX 75075 (Representative Altice USA Office)

Supports regional advertising clients and partnerships, delivering a4's multi-screen advertising solutions to businesses in Texas and surrounding states, leveraging local market insights.

Bethpage, New York, USA

Address: 1111 Stewart Ave, Bethpage, NY 11714 (Representative Altice USA Office)

Strengthens a4's presence and service delivery in the New York metropolitan area and the Northeast, a critical market for advertising, providing localized support and integrated solutions.

Buying Intent Signals for A4

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of A4

As of April 2025, A4' leadership includes:

Marc Rassbach - General Manager, a4 Advertising
Keith Bowen - Chief Revenue Officer, a4 Advertising
Dennis Mathew - Chief Executive Officer, Altice USA (Parent Company)
David Connolly - Executive Vice President, Chief Financial Officer, Altice USA (Parent Company)

Investors of A4

A4 has been backed by several prominent investors over the years, including:

Capital Research Global Investors
The Vanguard Group, Inc.
BlackRock, Inc.
State Street Corporation
Morgan Stanley

Executive New Hires/Exits in the Last 12 Months

Hire1
Exits1

In the past year, a4 Advertising experienced a significant leadership update with Marc Rassbach's appointment as General Manager, succeeding Paul Haddad. At the parent company level, Altice USA also saw a major leadership change with Dennis Mathew taking the helm as CEO.

Departures

Paul Haddad, Paul Haddad departed from his role as President of a4 Advertising.

New Appointments:

Marc Rassbach, Marc Rassbach appointed as General Manager to lead a4 Advertising.
Dennis Mathew, Dennis Mathew appointed as new CEO of Altice USA, parent company of a4.

Technology (Tech Stack) used by A4

Discover the tools A4 uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

A4 Email Formats and Examples

a4 Advertising, as part of Altice USA, likely uses standardized corporate email formats. Common patterns include combinations of first name, last name, and initials. For example, using the domain '@a4advertising.com'.

[first_initial][last]@a4advertising.com

Format

jdoe@a4advertising.com

Example

75%

Success rate

News and media

Altice USA / Business WireFebruary 15, 2024

a4 (Altice USA) Reports on Advertising Business in Q4 and Full Year 2023 Results

Altice USA released its Q4 and full-year 2023 financial results. Advertising revenue, primarily from a4, was $104.0 million for Q4 2023. For the full year 2023, advertising revenue reached $421.1 million, reflecting ongoing engagement with its advanced advertising solutions....more

Next TVFebruary 1, 2024

a4 Advertising Appoints Marc Rassbach as New General Manager

Altice USA announced the appointment of Marc Rassbach as the General Manager of a4 Advertising. Rassbach will oversee all aspects of A4’s advanced advertising and data solutions business, succeeding Paul Haddad....more

A4 Advertising Official WebsiteAugust 29, 2023

a4 Launches Self-Serve Platform Tailored for Political Advertisers

a4 Advertising introduced a new self-serve platform specifically designed to empower political campaigns with advanced audience targeting and multi-screen advertising capabilities, streamlining the ad buying process for the political sector....more

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