Highlights
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During ΒιΆΉΣ³»΄«Γ½ Public Safetyβs recent swearing-in ceremony, officers Brittany Lopez and Daira Yulfo-Vargas β25 joined the ΒιΆΉΣ³»΄«Γ½ Police Department and will enter the patrol division after completing field training.
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The ceremony also recognized the promotions of four ΒιΆΉΣ³»΄«Γ½ Public Safety team members β Corporal Melissa Guadagnino, Jennifer Floyd, Benita Harrison and Tiffany Ortiz β as they take on new leadership roles.
Behind every badge is a commitment to serve β a commitment two new officers now carry forward at ΒιΆΉΣ³»΄«Γ½.
Surrounded by family, friends, colleagues and university leaders, the officers were sworn in during a ceremony that marked not just a personal milestone, but the (ΒιΆΉΣ³»΄«Γ½PD)’s continued growth and commitment to service.
βΒιΆΉΣ³»΄«Γ½ is a special place and working in public safety here takes a special kind of person,β says ΒιΆΉΣ³»΄«Γ½ Police Chief Robbin Griffin-Kitzerow. βIt takes someone who genuinely cares, who shows up every day with a heart for service, and who is committed to the safety and well-being of our students, faculty, and staff.β

Ross Wolf, interim dean of the College of Community Innovation and Education and associate provost of ΒιΆΉΣ³»΄«Γ½ Downtown, reflected on the ceremonyβs significance, drawing on his recent retirement from policing after 34 years of service in both full-time and reserve roles.
“My law enforcement career instilled in me a deep respect for this profession and for the camaraderie, commitment and sense of purpose that define it,β Wolf says.
ΒιΆΉΣ³»΄«Γ½PDβs two newest officers will join the patrol division after completing a field-training program, where theyβll work alongside senior officers and gain hands-on experience out in the field before graduating to solo patrol.
Get to Know the New Officers

Brittany Lopez
Having previously served with the Clermont Police Department as both a patrol officer and a detective, Brittany Lopez brings a strong foundation in law enforcement to ΒιΆΉΣ³»΄«Γ½. She was drawn to ΒιΆΉΣ³»΄«Γ½PD for its culture and the unique community it serves. With a master’s degree in cybercrime from the University of South Florida, Lopez is driven by a desire to help students make informed choices that support their future success.

Daira Yulfo-Vargas β25
Joining ΒιΆΉΣ³»΄«Γ½PD is a full-circle moment for Daira Yulfo-Vargas β25. After moving to Orlando to attend ΒιΆΉΣ³»΄«Γ½, she began as a police explorer while earning her bachelor’s degree in criminal justice. She later served as a ΒιΆΉΣ³»΄«Γ½PD cadet and, through departmental sponsorship, completed the police academy, graduating among the top academic performers in her class. Now she returns to serve her alma mater as a ΒιΆΉΣ³»΄«Γ½ police officer, committed to supporting students and advancing the departmentβs safety mission.
Celebrating Promotions
The ceremony also recognized four individuals taking on new roles within ΒιΆΉΣ³»΄«Γ½ Public Safety.

Corporal Melissa Guadagnino
Community Outreach and Crime Prevention Unit
Corporal Melissa Guadagnino has been a vital part of ΒιΆΉΣ³»΄«Γ½PD for more than 12 years, including nine years as a detective. In that role, she worked alongside her therapy dog, Chipper, providing investigative support and comfort to victims during difficult moments. Sheβs also served on the Emergency Response Team through dozens of deployments and instructed crisis intervention and patrol investigator programs. Now part of the Community Outreach and Crime Prevention Unit, Guadagnino continues to lead with dedication and heart, making an impact.

Jennifer Floyd
University Physical Security Manager
During a time of significant staffing transitions, Jennifer Floyd played a critical role in maintaining operations while supporting major security initiatives. She coordinated hundreds of maintenance requests and led a campuswide security camera upgrade, overseeing the replacement of more than 500 cameras to strengthen ΒιΆΉΣ³»΄«Γ½βs safety infrastructure. Floyd also led nearly 50 training sessions, helping ensure teams have the knowledge and confidence to effectively manage and maintain essential systems.

Benita Harrison
Administrative Operations Manager
Benita Harrison supports departmental leadership with professionalism and exceptional integrity. She manages daily operations, chairs multiple committees and oversees all department-led events, playing a key role in ensuring smooth transitions. Her attention to detail and ability to create meaningful experiences are felt at every level across the organization.

Tiffany Ortiz
Dispatch Supervisor
Tiffany Ortiz brings a deep understanding of communication operations. Known for delivering organized, accurate and dependable work, sheβs respected by both her peers and patrol officers for her collaborative, supportive approach. In her new role, she led a full revamp of the dispatch training program, updating the manual, strengthening the curriculum and enhancing skill development to better prepare team members for long-term success.
Together, these new officers and newly promoted leaders represent ΒιΆΉΣ³»΄«Γ½ Public Safety β united by a shared commitment to serve, support and safeguard the campus community.