
Leadership
Guided by faith, driven by excellence

Founder, President & CEO
Rafael Dias Cunha
Rafael holds a B.Sc. in Petroleum Engineering from UENF and spent over 20 years at Halliburton, progressing from field operations to Director of Global Operations. His career spanned leadership roles across three continents — including Country Manager for Mexico and Saudi Arabia & Bahrain, and Senior Manager for North America.
His expertise encompasses drilling operations, remote execution and AI driven technologies, business development, strategic business management, technology roll out, and large-scale asset management. He participated in Halliburton's Presidential Leadership program.
Supported by his wife Hana and three sons, Rafael founded Tovah in 2025 to bring Halliburton-caliber operational discipline to frac sand logistics — while building opportunities for drivers and mechanics guided by faith, family, and integrity.
Our Pillars
Core Values
Faith and Integrity
Operating with honesty, humility, and transparency in every interaction.
Excellence in Execution
Maintaining high standards of performance, safety, and reliability.
Stewardship and Accountability
Managing resources with discipline and respect.
People First
Valuing drivers, partners, and clients as family.
Service with Purpose
Delivering solutions and dependability with intent.