A Global Leader
in Multiscreen Advertising

RhythmOne, a Tremor International company, helps drive real business outcomes in multiscreen advertising. Our highly-ranked programmatic platform helps to efficiently and effectively delivers performance, quality, and actionable data to demand and supply-focused clients and partners – and RhythmInfluence, our influencer marketing offering, helps foster action and awareness by connecting brands with influencers who create and distribute branded content to engaged consumers.

Company Heritage

Founded in 2004, RhythmOne has evolved to become a major global player in programmatic advertising. By way of organic growth and acquisitions, we have deliberately forward-integrated within the value chain and assembled the key components of a unified programmatic advertising stack.

Through the multi-channel, multi-format RhythmOne Programmatic Platform, our top-quality supply is garnered controlled and marketplace sources – and our demand from brands, agencies, trading desks, and demand side platforms deliver a complete, integrated solution for engaged digital audiences at scale.

RhythmOne was acquired by Tremor International Ltd. in April 2019. Tremor International, a global leader in advertising technologies, operates in more than 70 countries and has four core divisions: Tremor Video, Unruly, Taptica, and RhythmOne. Headquartered in Israel, Tremor International is traded on the London Stock Exchange (AIM: TRMR) and maintains offices throughout the US and Canada, Asia-Pacific, Europe, India, and Latin America.


Ofer Druker

Ofer Druker

Chief Executive Officer

Amy Rothstein

Chief Legal Officer

Karim Rayes

Karim Rayes

Chief Product Officer

Gal Topaz

Gal Topaz

Senior Vice President, Exchange Operations


  • Boston

    1 Van de Graaff Drive
    Suite 406
    Burlington, MA 01803

  • Chicago

    200 N. LaSalle Street
    Suite 1720
    Chicago, IL 60601

  • Los Angeles

    10250 Constellation Blvd.
    Suite 100
    Los Angeles, CA 90067

  • New York City

    1177 6th Avenue
    9th Floor
    New York, NY 10036

  • San Francisco

    535 Mission Street
    Suite 2025
    San Francisco, CA 94105

  • Seattle

    3600 136th Pl SE
    Suite 400
    Bellevue, WA 98006

  • Singapore

    71 Robinson Road
    Suite 14-121

  • Tel Aviv

    Tremor International Ltd.
    82 Yigal Alon St.
    13th Floor
    Tel-Aviv, 6789124