Christina is a bilingual, seasoned public relations professional who started her career in internal communications while simultaneously working in a newsroom. She was recruited to RIESTER as a bilingual account executive and worked her way up the ranks to Executive Director Public Relations and Communications.

Christina works closely with the organic social media team on social media channel and content strategies for a wide range of industries. Christina is also responsible for the success of all public relations programs. She collaborates with a team of public relations professionals to develop editorial strategies that are timely and designed for today’s condensed and saturated information cycle. Christina also collaborates with the creative team on multicultural campaigns. Her work has resulted in positive outcomes for clients and she has a breadth of experience in a variety of client verticals including healthcare, consumer-packaged goods, restaurant and food, travel and hospitality as well as government communication within transportation, voter education and public health.

As a member of RIESTER’s executive team, she is involved in management issues and collaborates daily with colleagues from every discipline. A moment of great team pride was winning the PR Week, 2019 Best in Public Sector Campaigns for client the Citizens Clean Elections Commission.

Christina holds a Bachelor of Arts Degree in Communication and a Minor in Business from Arizona State University. She also holds a Master of Science Degree in Psychology with an emphasis in Industrial and Organizational Psychology from Grand Canyon University. She attended the Instituto Tecnológico de Monterrey, where she became proficient in written and spoken Spanish. Christina is adjunct faculty in the Behavior Sciences Department within the Maricopa Community College District.

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