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Ashley Maloney, Ph.D.

Lab Manager/Senior Staff Scientist, Auger

Ashley is the applications lab manager and senior staff scientist specializing in Auger Electron Spectroscopy. In her role, she provides technical expertise to PHI in support of new product and application development while demonstrating PHI system performance capabilities. Ashley received B.S. degrees in chemistry and biology from the University of Texas at Tyler in 2012. She received her Ph.D. in chemistry in 2017 from the University of Texas at Dallas. In her free time, Ashley enjoys spending time with her family and dogs, baking, gardening, biking, and spending time outdoors.  

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Greg Fisher, Ph.D.

Product Manager/Principal Scientist, TOF-SIMS

Greg is the Principal Scientist at Physical Electronics, and the Product & Marketing Manager for time-of-flight secondary ion mass spectrometry (TOF-SIMS). Greg earned B.S. degrees in Chemistry and Physics at the University of Wisconsin at La Crosse, and a Ph.D. at the Pennsylvania State University. In his free time, Greg enjoys cooking, ice fishing and going to concerts. He also enjoys playing acoustic guitar, but highly favors playing his Japanese-made 5-string electric bass guitar that he has modified with EMG brand P/J pick-ups and electronics.

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Jenny Mann, Ph.D.

Product Manager/Senior Staff Scientist, XPS

Jenny provides training and demonstrations on PHI XPS systems. She received her BS in chemistry with honors from the University of Iowa in 2002. She then received her PhD in chemistry from the University of California - San Diego in 2008. Following her PhD, she did postdoctoral research at Indiana University. She has worked at Physical Electronics since January of 2015.

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Norb Biderman, Ph.D.

Staff Scientist, XPS

Norb is a staff scientist providing XPS contract analytical services. He also contributes to Physical Electronics' new product development. Norb holds a PhD degree in materials science from SUNY Polytechnic Institute - Colleges of Nanoscale Science and Engineering. He has more than ten years of experience in surface analysis including AES, AFM, SIMS, and XPS in academic and industrial settings. Norb enjoys rooting for the Minnesota Vikings when they are winning.

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Sarah Zaccarine, Ph.D.

Staff Scientist, XPS

Sarah received her BA in Chemistry from Lawrence University in 2017 and graduated from Colorado School of Mines with a PhD in Applied Chemistry in 2022. She joined Physical Electronics in February 2022, where she focuses on training and demonstrations of the diverse capabilities of the XPS instruments. When she is not at work, Sarah loves playing soccer and hiking, biking, kayaking, and canoeing outdoors.

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Malli Komarneni

Staff Scientist, XPS

Malli is a staff scientist providing training and demonstrations on PHI XPS systems. He received his BScEd (Physics, Chemistry, Mathematics) degree from University of Mysore in 1999 and graduated from North Dakota State University with a PhD in Physical Chemistry in 2012. He has ten years of research expertise in surface science, materials, and heterogeneous catalysis.  In his free time, Malli enjoys walking, biking, fishing, canoeing, traveling, painting, and shopping. He also enjoys writing poetry and short stories in his native language Telugu.

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Jacob Schmidt

Staff Scientist, TOF-SIMS

Jacob, a staff scientist at Physical Electronics, specializes in demonstrating the capabilities of time-of-flight secondary ion mass spectrometry (TOF-SIMS) instrumentation. Jacob earned a B.A. in chemistry from Ripon College and a Ph.D. in chemistry at the University of Minnesota. Beyond chemistry, he enjoys spending time with his family, amateur woodworking, and tinkering with homebrewing.

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Cesar Saucedo

Staff Scientist, XPS

Cesar is a staff scientist at Physical Electronics and he joined in July 2023. He focuses on training and demonstrating the vast capabilities of the PHI XPS instruments to customers. He graduated from DePaul University with a BS in chemistry in 2018. He went on to obtain a Ph.D. in chemistry from the University of Wisconsin-Madison in 2023. Cesar enjoys the cold weather, playing video games, and hiking.