Green B. Trimble Technical High School
Support Staff
Stephanie Elkins-Mandujano, Administrative Assistant
Hello Trimble Tech Family,
My name is Stephanie Elkins-Mandujano, I am thrilled to be the Administrative Assistant for the 2025-2026 school year. As an alumna of Trimble Tech and a longtime student of FWISD, this opportunity feels like a homecoming. I have been a dedicated employee of FWISD since 2002, embracing every role with enthusiasm and a heartfelt commitment.
Beyond my professional life, I am a proud mother of seven wonderful children and a cherished grandson. Family time is incredibly important to me, and I make it a priority to spend as much leisure time with them as possible. This balance between work and family enriches my life and keeps me grounded. I am eagerly looking forward to getting to know each one of you and being a part of the Amazing Bulldog Team. My door is always open, and you can count on being greeted with a warm smile. Let's make this school year incredible together!
Let’s make this year Meritorious!
Email: stephanie.elkinsmandujano@fwisd.org
Phone: 817-815-2598
Manny Ortiz, Assistant Principal's Administrative Assistant
Meet Manny Ortiz, a proud product of Fort Worth ISD’s Schools of Choice.
Manny’s journey started at Riverside Applied Learning Center, where he spent his early years from Pre-K through 5th grade. From there, he continued at Applied Learning Academy before coming full circle at Green B. Trimble Technical High School, graduating with true Bulldog pride. Now a Criminal Justice major at Tarleton State University, Manny’s story is all about giving back. He’s not just connected to his roots, he’s investing his time, energy, and heart into the very campus that shaped him.
At Trimble Tech, Manny wears many hats. He supports Substitute Services, Attendance Recovery, and Daily Announcements, while also managing the school’s social media accounts and website. He also serves as the Bulldog Crew Camp Director, he inspires upperclassmen to lead and mentor the next generation of Bulldogs. He also proudly serves as an advisor for United Voices for Change (UV4C), empowering students to speak up and create meaningful change on campus.
Motivated by the leadership and encouragement of the Trimble Tech Administration Team, Manny is pursuing a future in education, with his sights set on becoming a teacher, and one day, an Assistant Principal.
The Trimble Tech Administration describes him best:
“Manny’s head must be spinning 24 hours a day because he’s constantly working to improve Tech. Everything has to be precise and perfect for him. With every task, if something isn’t quite right, he wants to fix it and make it better. And by the next year, it will be even better.”
Manny Ortiz embodies what it means to be a Bulldog, dedicated, passionate, and driven to make Trimble Tech the very best it can be.
Gissell Meza, Attendance Clerk (A-L)
Department: Attendance Office
Meet Gissell Meza
Ms. Meza is the heart of Trimble Tech High School’s Attendance Office. Every morning, she lights up the hallways with her smile, A proud Trimble Tech alumna herself, she knows just how special it is to walk these halls and she brings that pride into every interaction. While she keeps our attendance office running smoothly, her impact goes far beyond the paperwork. Ms. Meza is often the first to offer a listening ear, a word of encouragement, or that extra boost of confidence a student might need to start their day. Her warmth and genuine care create an environment where students feel valued, supported, and inspired to be their very best.
Email: Gissell.Meza@fwisd.org
Phone: 817-815-2509
Ana De Luna, Attendance Clerk (M-Z)
Department: Attendance Office
Meet Ana De Luna
We’re thrilled to welcome Ms. De Luna to Trimble Tech High School for her very first year on campus. A proud alumna of Trimble Tech, she went on to earn her Associate of Applied Science in Computer Network Systems from ITT in 2005 and later an Associate of Arts from Tarrant County College in 2020. Never one to stop learning, she is currently working toward her Bachelor’s degree in General Studies at the University of Texas at Arlington.
With more than 12 years of experience as a school secretary, Ms. De Luna brings a wealth of knowledge, heart, and dedication to her role. She started her career in education as a Cafeteria Monitor, moved into a Teaching Assistant position, and eventually found the role she loves most, supporting students and staff in the Attendance Office.
Outside of school, Ms. De Luna lights up when she talks about her love for music. She once performed as the lead singer in a Mariachi band, and she’s a big fan of Selena. That same energy and joy spill over into everything she does at Trimble Tech. She’s also President of the Trimble Tech Parent Teacher Organization, showing just how deeply she’s invested in the Bulldog community. Ms. De Luna is excited to start this new chapter and is ready to make every student, parent, and staff member feel supported the moment they walk through the door.
Email: Ana.Deluna@fwisd.org
Phone: 817-815-2508
Dawn Cortez, Attendance Control Specialist
Department: Stay In School Coordinator
Meet Dawn Cortez.
Ms. Cortez serves as our Attendance Control Specialist, bringing warmth and purpose to her role each and every day. She makes it her mission to ensure every student feels valued and supported. A proud alumna of Trimble Tech, her dedication to the school and its students runs deep. When she notices a student missing too often, she doesn’t just mark it down, she takes action, reaching out, connecting with families, offering help, and finding real solutions. Her caring spirit and determination have guided countless students through challenges, helping them return to class and stay on the path to success.
Email: Dawn.Cortez@fwisd.org
Phone: 817-815-2561
Jessica Romero, College Career Readiness Administrative Assistant
Email: Jessica.Romero1@fwisd.org
Phone: 817-815-2539
Sandra Anderson, Counseling Administrative Assistant
Department: Counseling Suite
Email: Sandra.Anderson@fwisd.org
Phone: 817-815-2530
Nayeli Gaona, Data Clerk
Department: Data Office
Meet Nayeli Gaona
Ms. Gaona is the dedicated Data Clerk at her beloved alma mater, where she loves welcoming bright-eyed students and helping them take those first exciting steps toward their dreams. Every school year brings a fresh wave of hopeful faces, each with their own plans and goals, and Ms. Gaona feels honored to be part of their journey. Her role is much more than paperwork, she’s a cheerleader, a friendly face, and a steady source of encouragement as students navigate these important years. Nothing is more rewarding for her than seeing students walk across the graduation stage, knowing she played a small part in their success. Ms. Gaona is also proud to be the Sponsor for the Latino Students Unidos (LSU) Club, supporting and celebrating the amazing culture and leadership of the students.
Email: Nayeli.Gaonarojas@fwisd.org
Phone: 817-815-2502
Michelle Luevano, Family Communications Outreach Specialist
Meet Michelle Luevano
Ms. Luevano is our Family Communications Outreach Specialist here at Trimble Tech High School. Ms. Luevano comes with a strong background in social work and a genuine passion for supporting students and their families. She’s all about making sure everyone feels welcome, informed, and cared for. Ms. Luevano is a fantastic role model who works closely with alumni, students, parents, faculty, and staff. She helped establish the Parent Teacher Organization and went above and beyond to recruit new members. She’s always willing to help out and has an open door policy, so anyone can stop by and chat. Being bilingual and connected to our community, Ms. Luevano understands the challenges many families face and is dedicated to breaking down barriers and building strong relationships. She’s here to provide support, share resources, and make a real difference in the lives of our students and their families. Her journey, education, and life experience have shaped her into someone who truly believes in resilience and never giving up, values she encourages in all of us at Trimble Tech.
Email: Michelle.Luevano@fwisd.org
Phone: 817-815-2595
Diana Helms, Nurse
Department: Nurse's Office
Meet Nurse Helms
At Trimble Tech High School, the health and well-being of our students always come first, and Nurse Helms brings that to life with genuine care and warmth. The moment you step into her office, you’re met with a kind smile and a calm presence that instantly puts you at ease. Whether she’s helping a student feel better after an illness, handling daily health needs, or offering advice on wellness, she makes sure every Bulldog feels looked after. Her work is about more than just bandages and checkups, she’s there to listen, to comfort, and to remind students that their health matters. Nurse Helms works closely with parents, teachers, and staff to make sure no student’s needs are overlooked. She takes time to teach healthy habits and encourage students to take care of themselves, both now and in the future. Her office has become more than just the nurse’s station, it’s a safe and welcoming space where students know they’ll be heard and cared for. Trimble Tech is lucky to have Nurse Helms, her heart for students shines through in everything she does, and she makes a lasting difference in their lives every single day.
Email: Diana.Helms@fwisd.org
Phone: 817-815-2520
Chris Rangel, Registrar
Department: Budget Office
Meet Chris Rangel,
Ms. Rangel is Trimble Tech High School’s Registrar and Budget Payroll specialist. A proud alumna, she finds joy in returning each day to the halls where her own journey began. For her, Trimble Tech is more than just a workplace, it’s a second home filled with dedicated staff and supportive administrators who make every day meaningful. Ms. Rangel’s commitment to excellence helps keep the school running smoothly, and her pride in being part of the Bulldog family shines through in everything she does. She takes great care in making sure every detail, from budgets to payroll, is handled with accuracy and professionalism. Her door is always open for students, staff, and families who need guidance or support. Colleagues admire her calm presence and her willingness to go the extra mile to help. Most of all, Ms. Rangel shows what it truly means to be a lifelong Bulldog, giving back to the school that shaped her with heart and dedication.
Email: Christina.Rangel@fwisd.org
Phone: 817-815-2504