Leadership

Vice President, and Deputy Director of HPE Labs

Cullen is a Vice President of R&D at HPE Labs and currently serves as its Deputy Director.  He also serves as Director of the Systems Architecture Lab. Focusing on a wide range of inter-related topics including system and fabric architecture, system software, simulation and modeling, software-hardware co-design, optimization and sustainability. The multi-disciplinary lab is tasked with advancing next generation systems architecture from research to revenue.

Prior to his current focus on systems, he served as Director of the Platform Architecture Lab where he led a cross-functional hardware, software and architecture team that spanned several organizations and business units as part of the Machine program within Hewlett Packard Labs.

Cullen also served as interim Director of the Sustainable Ecosystems Research Group at HP Labs where he led wide-ranging research into the sustainability of IT equipment, and the use of IT to improve the sustainability of customer ecosystems. During this time, he was also Principal Investigator of the Sustainable Data Center project which investigated the design and operation of data centers to reduce overall resource consumption. In previous roles, he has led research in thermal technologies over a variety of different length scales, from integrated circuits to data centers. Cullen has also taught undergraduate and graduate level courses in heat transfer and electronics cooling. He is a Fellow of both IEEE and the American Society of Mechanical Engineers.