Horizon Media Elevates Michelle Posen to EVP, Managing Partner

Horizon Media has promoted Michelle Posen to Executive Vice President, Managing Partner, marking another milestone in her leadership journey within one of the world's largest independent media agencies.

The promotion reflects Horizon Media's continued investment in leadership development as agencies navigate an increasingly complex landscape shaped by evolving consumer behavior, digital transformation, data-driven marketing, and growing client expectations.

Michelle has played an important role in helping drive client success and business growth during her tenure with the organization. Through her leadership, she has contributed to building strong client partnerships, fostering collaboration across teams, and delivering strategic marketing and media solutions in a rapidly changing marketplace.

Announcing the promotion, Michelle expressed her excitement about stepping into the new role and continuing to build alongside Horizon Media's leadership team and colleagues. Her elevation reflects both her professional accomplishments and the confidence the organization has in her ability to help guide future growth initiatives.

As EVP, Managing Partner, Michelle will be responsible for leading client relationships, supporting business strategy, and driving collaboration across teams to deliver impactful outcomes for clients. Her role will also focus on helping the agency adapt to changing market dynamics while strengthening its position within the advertising and media industry.

The promotion comes as agencies increasingly prioritize leadership capable of balancing client growth, operational excellence, and innovation. As brands seek more integrated and data-driven marketing strategies, experienced leaders play a critical role in helping agencies navigate complexity and deliver measurable business value.

With a strong track record of leadership and client partnership development, Michelle is well-positioned to help Horizon Media continue supporting clients and advancing its strategic objectives in the years ahead.

About Horizon Media

Horizon Media is the largest independent media agency in the United States, providing media planning, buying, analytics, data, and marketing strategy services to brands across industries. The company helps organizations connect with audiences through innovative, data-driven marketing solutions designed to drive business growth and customer engagement.