
About Us
Recruitment & Placement Specialist
Paulina Gutierrez

Paulina is an expert in matching skilled candidates with the right job opportunities. As our Recruitment & Placement Specialist, she works closely with both clients and candidates to ensure a smooth and successful hiring process. With an MVZ (Veterinary Medicine and Zootechnics) degree, Paulina brings valuable knowledge of the field, particularly in the agricultural and livestock industries, enabling her to better understand the specific needs of these sectors. Her attention to detail and commitment to finding the perfect fit make her a key player in driving successful placements.
Client Success
Manager
Veronica Villanueva

As the Client Success Manager, Veronica is dedicated to ensuring that our clients have a seamless and positive experience throughout their journey with us. She focuses on building strong relationships and delivering exceptional service, ensuring that clients’ needs are met with precision and care. Veronica is the go-to person for any client support, making her an invaluable member of the team.
Administrative
Specialist
Brenda Armendariz

Brenda plays a vital role in ensuring the smooth and efficient day-to-day operations as the Administrative & Talent Attraction Specialist. She oversees a wide range of tasks, from managing office workflows to supporting the recruitment team with essential documentation and processes. Brenda’s organization and attention to detail allows the team to focus on delivering the best service to both candidates and clients.
Recruitment & Assistant Visa Specialist
Isela Delgado
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Isela excels in both recruitment and visa processing, playing a dual role as Recruitment and Assistant Visa Specialist. She helps source qualified candidates and supports the visa application process, ensuring compliance with all regulations. Isela’s ability to navigate both recruitment and visa intricacies ensures a streamlined experience for clients and candidates alike.
Visa
Specialist
Vilma Rivas
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Vilma is our dedicated Visa Specialist, expertly handling the intricacies of visa applications and immigration procedures. Her attention to detail and thorough knowledge of visa regulations ensure that clients receive timely and accurate support throughout the process. Vilma’s expertise is key in helping businesses and candidates navigate the complexities of visa applications with confidence.
About AO4S
We are a dedicated team of experts who came together in 2013 with a shared mission: to enhance livestock production systems. As this vital industry works to feed a growing global population, we are committed to ensuring its sustainability for generations to come.
Our Agriculture Consultants bring firsthand experience that mirrors your own, while our innovative solutions are built on a deep mastery of industry-leading production principles. Additionally, we specialize in finding the right people to meet all of your human resource needs, ensuring your team is equipped for success.
Managing
Partner
Tracy Vigil
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Health and livestock have always been the driving forces of Tracy Vigil’s career. With an extensive career in veterinary pharmaceuticals, Tracy is uniquely capable of blending hands-on skills with scientific knowledge for our clients. His dedication to excellence in everything he does shows plainly in his certification in project management and his black belt status in Six Sigma and Lean systems. He holds a BS in Agriculture / Animal Science from New Mexico State University and credentials as a rancher and business owner himself.
As the Managing Partner of AO4S, Tracy leads with strategic vision and dedication to excellence. With years of experience in recruitment and business management, he ensures that our company provides the best possible services to both clients and candidates. Tracy is passionate about helping businesses grow through effective talent acquisition and visa solutions, making him an integral part of our leadership team.
Feedlot/Cattle Consulting Partner
Isaias Delgado
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A respected veterinarian on both sides of the US/Mexico border, Dr. Delgado has more than 30 years’ experience in production agriculture. More than 17 of those years have been devoted to the largest animal health company in the world. His abilities shine brightest in humane yet efficient animal handling and results-oriented employee training. Some of the largest feedlots and dairies in the US and in Mexico have relied on his knowledge and work methods.
Isaias is a seasoned expert in the feedlot and cattle industry, bringing extensive knowledge and practical experience to our team. As the Feedlot/Cattle Consulting Partner, he provides tailored insights and strategic guidance to agricultural clients, helping them secure the right talent to meet their operational goals. His deep industry expertise establishes him as a trusted advisor in this highly specialized field.
CFO & Special Projects Manager
Jim Boston

Jim serves as our Chief Financial Officer and Special Projects Manager, ensuring the financial health and operational efficiency of the company. His role extends beyond managing finances; he oversees key initiatives and special projects that drive growth and innovation within the organization. Jim's expertise ensures that our recruitment services are not only sustainable but also continually evolving.