Sr Legal Witness Expert

JOE SOSTARIC Concrete Industry Consultant Pismo Beach, California

Joe Sostaric is a strategic advisor and former operating executive with deep expertise across the ready-mix concrete and cement value chain. He brings a distinctive combination of C-suite leadership experience within a multinational building materials company, entrepreneurial success in scaling an industry-focused process control business, and senior operational leadership within a high-performing commercial concrete contracting organization.

Professional Experience

Concrete Industry Consultant (Self-Employed) January 2022 – Present Provides strategic advisory services to organizations across the concrete and cement industries, drawing upon more than three decades of executive and operational experience.

Chief Operations Officer – AgileTQ, Inc. September 2023 – June 2025 Served as Chief Operations Officer, responsible for operational leadership and execution during a period of organizational development.

Vice President – Conco Commercial Concrete Contractors May 2010 – December 2021 | Concord, California Held senior operational leadership responsibilities within a high-performing commercial concrete contracting organization for more than eleven years.

President – RS Solutions LLC November 2005 – May 2010 Founded and led an industry-focused process control business, demonstrating entrepreneurial success in scaling specialized solutions for the concrete sector.

Vice President & General Manager – RMC Pacific Materials 1987 – 2005 Served in progressive leadership roles culminating in Vice President & General Manager responsibilities within a multinational building materials company, providing C-suite level experience across the ready-mix concrete and cement value chain.

Education

• MBA, Marketing Management – California State University, Hayward (1988–1989)
• BSBA, Accounting – Youngstown State University (1979–1983)