Our team

Juan Manuel Piedra
CEO

Javier Piedra
Director de Operaciones, Seguridad e Instalaciones

Juan Francisco de Lorenzo
Director financiero
Juan Manuel Piedra
CEO
Group founder and manager. Born entrepreneur, passionate about organization, with 20 years of experience in the sector.
Javier Piedra
Director of Operations, Security and Facilities
Founder of the group and Director of Operations, Security and Facilities. We take care of: operational planning, resource management, security in own and external facilities and work sites.
Mariola San Miguel
Director of Quality and Environment
In the Quality Department we take care of all legal and legal issues related to quality processes, taking care that the documentation is in order. We perform risk analysis and manage quality inspection programs.
Juan Francisco de Lorenzo
CFO
In our department, we are responsible for the maintenance and monitoring of the group’s financial and administrative indicators.
Gádor Higueras
Sales Manager
The Commercial Department is responsible for creating and maintaining relationships with customers and potential customers. The team must ensure that these relationships are of the best possible quality by seeking loyalty through a service of trust, problem solving and improvement in their proces...
Miguel Ruiz
Logistics Manager
In this department we take care that both our logistic staff and our vehicles are always prepared and coordinated to offer the best service 24 hours a day.
Fernando Montejo
Business development manager End to End Logistic
I am responsible for the supervision of management and end-to-end projects from start to finish. My responsibilities include planning, recruitment, execution and budget management; as a Director I also manage the day-to-day billing and development of the team.
Tania Such
Head of HR
In this department we manage everything related to the people working in our companies: planning and selection of personnel, administration of staff, evaluation and development, training and industrial relations. "El éxito de nuestro trabajo es conseguir que todos aquellos candidatos, emplead...
Manuela Ruiz
Marketing Director
¡This is the most creative and fun department of the group! In Marketing we are responsible for communicating the products and services of the companies that make up the group to our target audience.
Our values
SECURITY
Stone Brothers Group Values
We prioritize safety in all our operations, protecting our staff, customers and community.
REGULATORY COMPLIANCE
Stone Brothers Group Values
We operate not only by meeting, but exceeding the highest standards of legal and regulatory compliance, ensuring that all our activities are in perfect harmony with current legislation and reflect our commitment to best practices.
COMMITMENT TO THE ENVIROMENT
Stone Brothers Group Values
We promote sustainable practices in waste management and transport, minimizing environmental impact and promoting the circular economy.
WORKER ORIENTATION AND CONCILIATION
Stone Brothers Group Values
COSTUMER FOCUS
Stone Brothers Group Values
We understand the needs of each customer and strive to exceed them, offering customized solutions and close service.
TRUST AND TRANSPARENCY
Stone Brothers Group Values
We build lasting relationships with our customers based on honesty, reliability and clear communication.
EFFICIENCY AND PROFESSIONALISM
Stone Brothers Group Values
We offer fast, effective and high quality services thanks to a qualified team and a modern fleet.
INNOVATION
Stone Brothers Group Values
We are constantly looking for new technologies and processes to optimize our services and offer more advanced solutions.
OPERATIONAL EXCELLENCE
Stone Brothers Group Values
We strive for perfection in every process, from planning from project to execution, ensuring maximum efficiency and quality.