Quattrone Nanofabrication

Eric Johnston

Interim Director and Soft Lithography Manager

As program manager, Eric handles new user orientation, outside user contracts, outside user agreements, coordination of user training, as well as any issues with billing.

As soft lithography manager, he provides complete user training in the fabrication of soft lithography and microfluidic devices.  This includes mask design, proper spin coating technique, photolithography, and device assembly.

David Barth

Senior Manager

Lithography & Advanced Processing
Quattrone Nanofabrication Facility

David Barth is responsible for lithography, process integration, and new process development in the QNF. His background includes nanophotonic device fabrication, electron beam lithography, and process support on a variety of fabrication tools and techniques. He has a Ph.D. from UC Berkeley and a B.E. and M.E. from Stevens Institute of Technology in Mechanical Engineering.

Kyle Keenan

Laboratory Manager

Kyle Keenan is the Laboratory Manager for the Quattrone Nanofabrication Facility.  His main responsibilities are cleanroom processing equipment health and optimization, oversight of new equipment installation and qualification, as well as day-to-day operations.  Prior to joining Penn, Kyle worked at MIT Lincoln Laboratory as a photolithography and metrology specialist, and at Alpha Industries (now Skyworks, Inc.) as a process engineering assistant. He has a BA in Philosophy from Assumption College in Worcester, MA, and has been working in nanotechnology for more than 25 years.

Charles Veith

Purchasing and Micro Contamination Manager,
Working Group Chair, Vendor Relations, (NNCI)

Charles R. Veith is a Member of Technical Staff in the Quattrone Nanofabrication Facility.  His main responsibilities are owner and manager of all wet process infrastructure, designing, building and implementing comprehensive seamless low cost research material sourcing as well as supporting facilities and lead efforts to sustain and improve clean room quality.  Prior to joining Penn, Charlie held positions at Intel Corporation and Digital Equipment Corporation.  Charlie has a BA in Economics and Technical in Lean Implementation.  Charlie’s has had a well recognized twenty-seven plus year career in semiconductor processing, materials, safety, finance, facilities, lean and educational outreach.

Gyuseok Kim

Principal Scientist
Graduate Student Fellows Program Manager

Gyuseok Kim is a principal scientist at the Singh Center for Nanotechnology at the University of Pennsylvania. He is an instructor of ESE 536 and ESAP Nanotechnology courses.  He also manages the graduate student fellow program that is designed to give Master’s students hands-on processing experiences through the fabrication of devices. Prior to joining Singh Center, he worked at Penn as a postdoctoral fellow, at Samsung Electro-Mechanics as a senior engineer, and at Helmholtz-Zentrum Geesthacht in Germany as a research assistant. He received a Ph.D. from Grenoble INP in France in 2011, MS and BS from Seoul National University in South Korea in 2005 and 2007.

David Jones

Senior Nanofabrication Engineer

David J. Jones is a member of technical staff in the Quattrone Nanofabrication Facility.  His main responsibilities are process development & characterization, remote & internal user processing support and training QNF users on QNF equipment.  He has a BS in Chemical Engineering from Clarkson University.

Mohsen (Sam) Azadi

Principal Scientist

Mohsen Azadi is a Principal Scientist at Singh Center for Nanotechnology at the University of Pennsylvania. He is responsible for research support and process development for the internal and external users at QNF. Prior to joining Singh Center, he was a PhD student at University of Pennsylvania working on micro and nanofabrication of MEMS/NEMS devices for photophoretic flight, Direct Energy conversion applications, and  interstellar flight. He is a scientific and technical committee & editorial review board member at World Academy of Science, Engineering and Technology. He served as a member of the Dean’s Advisory Board in the School of Engineering and Applied Science from Dec 2019 to July 2021.

Jason A. Röhr

Principal Scientist 

Jason is a Principal Scientist at the Singh Center. He is responsible for the physical vapor deposition and electrical characterization tools within the QNF. Prior to joining Penn, Jason held postdoc positions at NYU and Yale University where he studied a variety of renewable energy systems, including next generation solar cells. Jason has a broad interest in solid-state physics and devices, and is intrigued by new potential applications for optoelectronics.

Travis Venables

Lead Cleanroom Equipment Engineer

Travis is the Lead Cleanroom Equipment Engineer for the Quattrone Nanofabrication Facility. His main responsibilities are responding to equipment problem reports, performing preventive maintenance on all cleanroom equipment, projects to help with lab functionality, and assisting in all aspects of day-to-day operations. Before joining Penn, Travis worked at Princeton University as a Laboratory Coordinator/ Cleanroom Manager of the Quantum Device NanoFabrication Laboratory (QDNL). He has a BS in Biology and a minor in Environmental studies from Ursinus College in Collegeville, PA.