Stephanie Cobos

Executive Assistant

Stephanie Cobos brings over 15 years of experience in executive support, operations, and client service, supporting senior leaders across government and high-growth technology environments. Her background includes partnering with state-level agency leadership as well as C-suite executives within leading technology organizations. She specializes in creating structure within fast-paced, high-stakes environments by developing systems that streamline communication, optimize operations, and allow leaders to remain focused on strategic priorities. Known for her discretion, attention to detail, and proactive approach, Stephanie is trusted to manage complex workflows with professionalism and precision.

As Executive Assistant to the Founding Principal at Landmark PM, Stephanie supports Alex Grosjean with day-to-day operations. She plays an integral role in maintaining alignment across initiatives, facilitating communication, and helping drive operational momentum so leadership can remain focused on client relationships and long-term strategy.

Stephanie holds an associate degree and continues to prioritize growth and development in her field. Outside of work, Stephanie is deeply family-oriented and values spending quality time with her loved ones. She enjoys creating meaningful experiences with family and brings the same thoughtfulness, dedication, and care to her personal life that she brings to her professional work.