Jess Hamann

Strategy, storytelling, and accountability come together in Jess’ work at Mazzetti. She helps translate the firm’s technical expertise and benefit corporation commitments into clear narratives that drive trust, engagement, and impact.  Jess leads Mazzetti’s global marketing, communications, business development support, and benefit mission integration. Her work spans brand strategy, thought leadership, client engagement, and internal alignment, ensuring that Mazzetti’s mission to bend the climate curve is embedded in how the firm shows up for clients, partners, and communities. Jess is deeply involved in shaping Mazzetti’s voice on decarbonization, resilience, and climate action in healthcare and other complex building sectors. 

With a background rooted in strategic communications and mission-driven organizations, Jess brings a systems-level perspective to marketing leadership. She works closely with technical leaders to elevate research, projects, and ideas that advance healthier, more sustainable environments, while also strengthening processes that support collaboration, quality, and consistency across the firm. 

Jess directly supports Mazzetti’s Benefit Mission by aligning brand, business strategy, and accountability, helping ensure that the firm’s values are reflected not only in what it designs, but in how it operates and leads as a benefit corporation. She collaborates closely with technical leaders to embed Mazzetti’s commitment to sustainability and climate action into every aspect of the firm’s processes and client interactions, ensuring that the company’s purpose is consistently represented in its actions, decisions, and impact on communities.