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360i's Overview

Total employees327
HeadquartersNew York
Founded

360i was a highly acclaimed digital marketing agency renowned for its innovative, data-driven approach to search marketing, social media, programmatic advertising, mobile, and creative services. Founded in 1998, it grew to become a significant player in the advertising industry, known for its award-winning campaigns and 'digital-first' philosophy. In 2010, 360i was acquired by Dentsu. In June 2022, Dentsu announced the consolidation of its creative agencies, including 360i, into a new global entity named Dentsu Creative. The legacy, talent, and capabilities of 360i now contribute to Dentsu Creative's global network.

Where is 360i's Headquarters?

HQ Function

Served as the central operational center, housing key leadership, strategy, creative, media, analytics, and account management teams for its North American and global operations.

Notable Features:

The New York office was known for its modern, open-plan, and collaborative workspace designed to foster creativity, innovation, and teamwork. It often featured amenities reflecting a dynamic agency culture.

Work Culture:

360i was celebrated for its vibrant, fast-paced, and intellectually curious work culture. It emphasized a 'Never Done' philosophy, encouraging continuous learning, adaptation, and a proactive approach to solving client challenges.

HQ Significance:

The NYC headquarters was instrumental in establishing 360i's global reputation as a leading digital-first agency. It was the nerve center for many of its award-winning campaigns and key client relationships, particularly in the US market.

Values Reflected in HQ: The headquarters' design and atmosphere aimed to embody 360i's core values: innovation, collaboration, curiosity, accountability, and a forward-thinking approach to digital marketing and client service.

Location:

Before its full integration into Dentsu Creative in 2022, 360i had a strong presence primarily in North America, with major offices in New York, Atlanta, Chicago, and Los Angeles. It also operated an office in London, UK, to serve European clients. These locations supported a comprehensive range of digital marketing services, including strategy, creative development, media planning and buying, search engine marketing, social media management, mobile marketing, and data analytics. Following its integration, its capabilities and talent became part of Dentsu Creative's extensive global network, which operates in numerous countries worldwide.

Street Address:

32 Avenue of the Americas

City:

New York

State/Province:

NY

Country:

USA

360i's Global Presence

Atlanta, GA, USA

Address: 1170 Peachtree St NE, Suite 1600, Atlanta, GA 30309 (historical address)

Served as a key operational center, supported clients in the Southeastern US, and housed specialized technology and analytics talent.

Chicago, IL, USA

Address: 222 W Merchandise Mart Plaza, Suite 1150, Chicago, IL 60654 (historical address)

Strengthened client relationships and service delivery in the important Midwest market and provided access to a strong talent pool.

London, UK

Address: 10 Triton Street, Regent's Place, London, NW1 3BF, United Kingdom (historical Dentsu Aegis Network address, housing 360i UK)

Facilitated expansion into the European market, managed international client accounts, and adapted global strategies for regional relevance.

Buying Intent Signals for 360i

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 360i

As of April 2025, 360i' leadership includes:

Bryan Wiener - Co-Founder & Former CEO
Sarah Hofstetter - Former CEO & Chairwoman
Jared Belsky - Former CEO, 360i
Abbey Klaassen - Former President, 360i New York & CEO, 360i US
Will Margiloff - Co-Founder

Investors of 360i

360i has been backed by several prominent investors over the years, including:

Dentsu (Acquired 360i in 2010 as part of Innovation Interactive)

Executive New Hires/Exits in the Last 12 Months

Hire0
Exits0

The 360i brand was officially retired and integrated into Dentsu Creative in June 2022. Consequently, there have been no executive hires or exits specifically for '360i' as a standalone entity in the last 12 months. Leadership roles and structures were consolidated within Dentsu Creative during and after this transition.

Departures

N/A, No specific departures for '360i' as a standalone entity in the last 12 months due to brand integration in June 2022. Personnel transitions are now part of Dentsu Creative.

New Appointments:

N/A, No specific new appointments for '360i' as a standalone entity in the last 12 months due to brand integration in June 2022. Appointments are made within Dentsu Creative.

Technology (Tech Stack) used by 360i

Discover the tools 360i uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

360i Email Formats and Examples

Historically, 360i employee email addresses commonly followed standard corporate patterns. After its acquisition by Dentsu and subsequent integration into Dentsu Creative, employee email addresses transitioned to Dentsu's standardized format (e.g., @dentsu.com). The original @360i.com domain is no longer in active use for new communications.

[first_initial][last]@360i.com

Format

jdoe@360i.com

Example

0 (Brand retired, email domain likely inactive or redirected)%

Success rate

News and media

Adweek2022-06-07

Dentsu Retires 360i, Other Agency Brands in Major Consolidation into Dentsu Creative

Dentsu announced a significant restructuring by merging its creative agencies, including prominent names like 360i, Dentsu Mcgarrybowen, and Isobar, into a single global creative network named Dentsu Creative. This strategic move, effective immediately, aimed to simplify Dentsu's offerings, foster greater collaboration, and provide clients with a more integrated and streamlined service model worldwide. The 360i brand was subsequently retired....more

Ad Age2021-02-18

Abbey Klaassen named U.S. CEO of 360i

Abbey Klaassen was promoted to U.S. CEO of 360i, succeeding Jared Belsky, who transitioned to a new role as chief experience officer for Dentsu Creative Americas. Klaassen previously served as president of 360i's New York headquarters....more

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