Human resources in photonics group.

Diana Dreyer has assumed the role of Vice President Human Resources (Head of HR) with Toptica Photonics. In this role, she is responsible for the HR strategy of the Group and is driving the continued scaling of the organization in the areas of talent acquisition, leadership development, and organizational culture.

Diana Dreyer

Diana brings more than 20 years of experience in HR management at international high‑tech, pharmaceutical, and consumer goods companies. She has a broad skill set across diverse HR domains – from strategic workforce planning and People & Culture to labor‑law topics – from which Toptica will strongly benefit.

From 2020–2026, she served at Excelitas Technologies as HR Manager and deputy head of HR, providing leadership across multiple HR workstreams. In her new role, she is building and advancing Toptica’s strategic people agenda: from HR strategy and talent development to the continued digitalization of HR processes.

“With Diana Dreyer, we are gaining an experienced HR leader who will effectively support our ambitious growth strategy in Quantum Technology, Biophotonics, and Semicon/Materials,” says Dr. Thomas Renner, Chief Sales Officer (CSO) and President of Toptica Photonics. “Together with Diana and the HR team, we will actively shape the challenges that TOPTICA’s growth brings for the HR organization.”

Diana Dreyer adds, “I am very much looking forward to further developing People & Culture at Topticatogether with our leadership teams – with a focus on excellent candidate journeys, sustainable leadership programs, and a strong, values‑based company culture. Further digitalization of our HR processes will be a key lever.”

With the new HR leadership, Toptica is continuing to professionalize HR processes worldwide, expand international talent programs, and further align the people strategy with the company’s objectives.

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