In recognizing Honorary Diplomates, we celebrate visionaries whose exceptional contributions have fundamentally reshaped the landscape of our profession. Through their unwavering dedication and innovative spirit, they have pioneered pivotal inroads that not only advanced the field of environmental health, but also inspired countless others to follow in their footsteps. The transformative outputs of these environmental health professionals, from groundbreaking research, to innovations in practice, to standards development, to sustained national and global impact, set new standards of excellence and redefined what is possible. The impact of their work resonates deeply, ensuring that our profession is positively reinvented as we continue to build on the solid foundation they have established. It is with great admiration and respect that we honor these select few pioneers and memorialize their extraordinary legacies.