GeoFlora Group is more than a construction and development company—we're a family. Founded by Drew Robertson, GeoFlora Group is a family-owned and operated construction company serving clients throughout the Florida Panhandle. Today, Drew works alongside his daughter, Sophia McCalpin, and son-in-law, Zander McCalpin, combining expertise in geology, construction, project management, and client service. As a family business, we understand the value of trust, communication, and lasting relationships. We treat every project with the same care and attention we would give our own, and we take pride in helping our clients bring their visions to life.
Drew Robertson
Professional Geologist | Certified General Contractor
Drew Robertson is a Professional Geologist and Certified General Contractor with decades of experience in construction, land development, and environmental consulting. Throughout his career, he has worked on a wide range of residential, commercial, and coastal projects, helping clients navigate the challenges of site development, permitting, environmental compliance, and construction. In addition to his construction expertise, Drew has extensive experience in environmental and geologic work, providing practical solutions for projects involving wetlands, coastal development, stormwater management, environmental permitting, and site evaluations. His unique background allows him to understand projects from both a technical and construction perspective, helping clients move efficiently from planning to completion.
Zander McCalpin
Project Manager
Zander joined GeoFlora Group in 2026 as a Project Manager, bringing with him a strong background in construction and field operations. At GeoFlora, Zander oversees day-to-day construction activities and works closely with clients, subcontractors, suppliers, and field crews to keep projects moving forward efficiently. His responsibilities include coordinating site work, managing project schedules, tracking progress, resolving field issues, and ensuring that construction is completed according to project plans and specifications.
He is committed to maintaining clear communication between all parties involved in a project and works to ensure that expectations, timelines, and project goals remain aligned throughout the construction process.
Sophia McCalpin Project Manager | Office & Marketing Coordinator
Sophia McCalpin joined GeoFlora Group in 2023 and oversees project coordination, office operations, and marketing for the company. She works closely with clients, consultants, subcontractors, and project teams to help keep projects organized and moving forward efficiently.
Her responsibilities include coordinating permits and approvals, managing project documentation, scheduling, client communication, and tracking project milestones. In addition, she leads the company's marketing efforts, including social media management, website development, and client outreach.