As Chief Strategic Officer, Mirja supervises research, strategic planning, and manages the integration of all services within RIESTER. She established the European method of brand planning and strategy at RIESTER when she joined the firm in 1997. Mirja’s experience is international and spans across many categories. Her interest in health and wellness has led to exceptional contributions to clients in the healthcare sector. This has included a campaign to prevent methamphetamine addiction among women that were licensed by the White House Office of National Drug Control Policy; a national HIV awareness campaign for Gilead Sciences, and one of the nation’s most successful tobacco awareness, prevention, and cessation campaigns.

The American Advertising Federation named Mirja “2016 Ad Person of the Year. She has also been recognized as the top Advertising Executive on Arizona Woman Magazine’s list of Leading Women in Business, and she has frequently been called upon by the United States Centers for Disease Control and Prevention for her behavior change and social marketing expertise.

Tim Riester

Founder & Chief Executive Officer

Mirja Riester

Principal & Chief Strategy Officer

Alan Perkel

Principal & Chief Digital Officer

Peter Buck

Chief Creative Officer

Christina Borrego

Executive Director Public Relations & Communications

Kari Brill

Executive Director Media & Measurement