Dr. Rey Runtgen Martin Leones del Rosario, also known as Dr. Reyron is a peace diplomacy and leadership innovation advocate. He is a Filipino national from the Philippines. He is a political strategist, publicist, writer, educator, and entrepreneur.

With his aspiration to demonstrate social change, Dr. Reyron del Rosario founded NGOs that advances participatory development to public service as a force for good. He raised consciousness to issues that are imperative to inclusive and sustainable peace development by pioneering creative programs. He serves as the Founding Chairman of the International Peace Diplomacy Corps, Inc. (IPDCI), an NGO that promotes education awareness campaign through conversations, dialogues, and conventions. He also serves as the President of the Philippine Innovation Entrepreneurship Mission, Inc. (PIEMI), an organization that promotes leadership innovation through entrepreneurship.