Travel Certifications 

Royal Caribbean University logo with a shield symbol, the words 'Royal Caribbean University', and the tagline 'Bachelor of Adventure'.
Royal Caribbean University graduation certificate for Krista Sierra, awarded in March 2025.
Certificate of completion for Certified Autism Travel Professional issued to Krista Sierra, awarded by the International Board of Credentialing and Continuing Education Standards, with signatures, logos, and expiration date of November 3, 2027.
A Princess Academy Certificate of Achievement awarded to Krista Sierra for demonstrating expertise in Commodore, dated March 19, 2025.
Logo of Royal Caribbean University featuring a crown and anchor symbol, with text indicating it is a master of adventure program.
Certificate from Royal Caribbean University for Krista Sierra, awarded for Master of Adventure, certified and updated in March 2025, signed by Vicki L. Freed.
Autism travel certification card with the name Krista Sierra, issued by IBCCES, featuring a logo on the left, a profile picture, and a pink logo with a suitcase and the text Magic Wishes Vacations on the right.
Diagram showing four different knots with a Virgin logo in the top left corner
Certificate of completion for the College of Disney Knowledge awarded to Krista A. Sierra, issued December 16, 2024, with Disney Destinations Sales Solutions logo and signature from Jeff Van Langeveld.
Certificate of graduation issued by ALGPRO, awarded to Krista Sierra for completing the ALGPRO curriculum on March 20, 2025, with logos of ALG Vacations, Apple Vacations, Funjet Vacations, Travel Impressions, Blue Sky Tours, and United Vacations at the bottom.
Logos for WBE and CLIK with the year 2025.
Travel agency ID badge for Krista Sierra, an independent contractor at Mainstreet Travel Agency Inc. in St. George, Utah, issued in 2025 with a start date of February 2025 and expiration date of March 30, 2025, featuring logos of IATA and airline.
Travel agency advertisement emphasizing Main Street Travel, associated with CLIA, IATAN, and Travel Leaders Network, with colorful signage and logos.
A certificate of qualification awarded to Krista Sierra for completing the MainStreet Travel Agent Qualification, dated March 31, 2015, signed by Dean Gibbons, owner of MainStreet Travel Agency.