Our Team

We’re a dedicated group of like-minded individuals working together on a mission to eradicate arbitration and litigation from the construction industry.

Holly Parrish-Bezner, J.D.

Facilitator & Mediator

As a mediator and construction partnering facilitator, Holly Parrish-Bezner has effectively guided the teams of large and complex construction projects in excess of $1 Billion.Full Bio

Phil George, P.E.

Facilitator & Mediator

Phil George is a Civil Engineer licensed in California, Oregon, and Washington, and has worked in construction since 1973 on federal, state and local projects in 10 states.Full Bio

Dina Blake, LMFT

Facilitator & Mediator

Dina Blake has more than two decades of experience in dispute prevention, dispute resolution, and facilitation. In addition to providing mediation and construction partnering services, she is also an executive coach for business teams and individuals, and other dynamic working groups.Full Bio

Emanuele Cerroni, Ph.D.

International Mediator

Emanuele Cerroni is highly experienced, global mediator who specializes in high conflict emergency environments. He has facilitated a multitude of international disputes with positive outcomes.Full Bio

Sam Hassoun, P.E.

Sam Hassoun, P.E.

President & CEO

Sam Hassoun is the founder and president of Global Leadership Alliance, Inc. (GLA). He is a registered Civil Engineer in the state of California with over thirty five years of professional engineering experience in design, construction, maintenance, and management of a wide range of projects.

He started his engineering career with the Bechtel Corporation where he worked on several nuclear power plants as well as space and defense projects in Michigan, Texas and California.

Full Bio →

GLA is a catalyst for extraordinary project results. We ALIGN leadership to exemplify optimal performance. We IGNITE a team’s ability to collaborate, communicate, and commit to common goals. We INSPIRE individuals and teams to markedly surpass their thresholds for excellence.