Ruben Diaz Sr. is not one of the three founders of Diaz Group LLC. He not only helped establish the culture and values that separate our organization from the others but also provided the vision and inspiration that caused our company to be formed in the first place. With 35-plus years of experience in the horticultural field and his keen ability to motivate employees, Ruben has helped the family business grow while maintaining the highest standards of quality workmanship. His passion is to interact with customers and to guide employees in their path to success.
Rafael Diaz is one of the three founders and a key member of Diaz Group LLC. With over 20 years of experience in the field, he has built the company from a four-employee operation to a household name in the industry. Rafael is a lifelong learner who never tires in his thirst for knowledge. In addition to his formal education, Rafael has successfully completed the Dale Carnegie Course and the Goldman Sachs 10,000 Small Businesses entrepreneurship program. Horticulture is a way of life for Rafael, with most of his knowledge coming from hands-on experience and his multiple years of landscape management studies from one of the best horticultural schools in the Chicagoland area. He is a detail-oriented individual who pursues one project at a time to ensure complete satisfaction from his clients.
Ruben Diaz Jr. is one of the three founders of Diaz Group LLC. He possesses extensive education in business and landscape management from Northeastern Illinois University and Joliet Junior College. His knowledge of the trade has played a key role in the company’s expansion. Ruben’s role in the company is to strategically grow and maintain strong business relationships. His passion is the company’s extensive snow removal service offering, which has grown from a small one-truck operation to one of the top snow and ice control providers in the Chicagoland area.
Antonio Diaz has been a part of the Diaz Group team since its beginning in 2007.He has spent most of his career in landscape and hardscape installations and became an Installation Supervisor in 2017. In early 2019, Tony was promoted to his current role as Production Manager. He is passionate about team building and continually strives to develop and grow with his team as they continue working together.
Preeti Amin joined the Diaz Group team in 2017, bringing with her over 20 years of accounting expertise. She has worked in the facilities service industry for the past five years. Preeti manages the full cycle accounting for Diaz Group and also manages all client service data over the term of each service agreement. She creates and maintains plan documentations of finance and sales to ensure contract execution and renewal. Her passion aligns well with her expertise in data accuracy, process improvement, and time/priority management.
Daniel Gonzalez was born into the landscaping industry. A lifelong Chicagoland native, his father owned a landscape business. Daniel has over two decades of varied landscape industry experience at the retail, wholesale, and service provider levels, and has worked in the field as well as in the office. All of this has come in handy since he joined Diaz Group in 2020, having worked in sales, account management, vendor relations, and more. Daniel is family-driven, which makes him a perfect fit with our familial culture.
Diane Diaz became a part of the Diaz Group LLC Team in 2020, bringing her experience from owning her previous business and spent numerous years in the dental industry, where she focused on management, training, and consulting. As our Director of Human Resources, she is passionate about spreading the importance of culture, empowering the team through training and education, and showcasing the story of the most important part of a business, its people. Although Diane set aside her professional nail care business when she joined Diaz Group, she remains active as a Manicurist/Educator for CND, a global professional nail company.
Pablo Lopez came to the United States alone in 2004 from the city of Irapuato, located in central Mexico, at the age of 15. His first job was in landscaping for Diaz Brothers (not to be confused with Diaz Group LLC ). Nine years later, Pablo applied for a position with Diaz Group and has been with us ever since. Although Pablo enjoyed his work as a Laborer, when the company gave him the opportunity to become a Foreman, he jumped at the chance. Six years later, Pablo was promoted to his current role as a Production Supervisor. He always seeks to improve and his advice to those who would follow his example is, “Keep going—everything is possible.” Pablo is an avid horseback rider and spends his leisure time riding, whenever he can.
Daisy Zarate has been a valued member of Diaz Group since 2015. During that time she has worked in office administration, assisted production supervisors, managed payroll, started the company’s first dedicated Human Resources department, and after having taken over supervision of a substantial new landscape production project, is back as the department’s Administrator. Her interactive skills and genuine respect for the people of Diaz Group are what make her very effective at what she does.
Ezequiel Cazares Alcantar has been a mechanic for 25 years. He is originally from Santiago Papasquiaro, in the Mexican state of Durango, where his father, Jaime Cazarez, taught him to repair, maintain, weld, and fabricate. Ezequiel arrived came to the USA in 2018, and worked as a mechanic at Sumit Construction Company before joining Diaz Group in 2021. He enjoys welding and fabricating as well as learning from new equipment and rapidly advancing technology. In his spare time, Ezequiel enjoys riding ATV’s and 4-wheelers.