worcester-polytechnic-institute
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David Rubinstein
David Rubinstein is the CEO of OptiRTC (Opti), a Boston-area company that builds cloud software to monitor and adaptively control stormwater infrastructure in real time. A technology operator with roughly four decades of experience scaling high-tech startups, he joined Opti as President and COO in 2018 and became CEO in 2019, steering the company from an engineering-services consultancy into a digital water product business. His background spans SaaS and data companies including DataXu, Resolve Technology, Invoke Solutions, and Convergent Group, which he helped take public before its sale to Schlumberger.
Gregory Fischer
Gregory Fischer is the co-founder and CEO of AiM Medical Robotics, a Worcester, Massachusetts company building a portable, MRI-compatible surgical robot for neurosurgery. A robotics engineer with a PhD from Johns Hopkins, Fischer spent nearly two decades as a professor at Worcester Polytechnic Institute, where he directed the Automation and Interventional Medicine (AIM) Robotics Lab and founded the PracticePoint medtech R&D center. He turned his NIH-funded research into a company aiming to bring real-time image guidance and submillimeter robotic precision into the operating room, with a first-in-human clinical study on the horizon after a $8.1 million Series A in 2025.