C-Motive employees come from different backgrounds, levels of education, and previous experiences. It takes a village to tackle the work that C-Motive is able to accomplish; meet the team that does it all (and then some).

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Bill Butrymowicz

Principal Mechanical Engineer

Bill is responsible for the design, development and testing of the next generation of electrostatic machines. Bill has over 19 years of experience as a mechanical engineer in high-tech, fast-paced industries. Prior to arriving at C-Motive Technologies, he spent 9 years as a Senior Mechanical Engineer at Accuray, Inc. where he was focused on developing next-generation cancer treatment platforms in the field of image-guided intensity-modulated radiotherapy (IG-IMRT). In this role, Bill was the mechanical engineering design lead for the treatment gantry system, thermal management system, and the patient-facing gantry enclosure. Additionally, he has significant experience as a systems engineer responsible for developing system requirements, defining architecture, validating designs, and creating test reports. Other roles include managing Accuray’s design documentation database and CAD software packages within the Quality Management System for a group of 10 engineers.

Prior, Bill was a lead mechanical engineer at Orbital Technologies Corporation (Orbitec) where he focused on the development of advanced environmental control systems for use in micro-gravity environments. With over 15 years of experience in the medical devices and aerospace industries, he has strong knowledge and experience with the design of complex electro-mechanical devices, requirements development, testing, and reporting for compliance with regulatory governing bodies.

Karyn Esbensen

Office Manager

Karyn organizes C-Motive’s administration procedures, staff support, and intra-office communication protocols. Karyn earned her undergraduate education (BA) at the University of Wisconsin – Madison in psychology, with a research focus on the manifestation of comorbid psychopathological symptoms in adolescence. She continued to as a researcher and lab manager within The School of Medicine and Public Health after graduating. Before joining C-Motive, Karyn was the Service Experience Designer and Customer Service Manager within the private sector, where she built internal communication systems and developed a standardized training initiative for a $20 million franchise across two years.

Kevin Frankforter


Kevin completed his undergraduate education (B.S.) at the University of Nebraska-Lincoln and his graduate education (M.S. and Ph.D.) at the University of Wisconsin-Madison. Throughout his educational and professional career, Kevin has held a consistent focus on the technology and materials science related to energy conversion. His graduate research focused on hybrid battery/ultracapacitor energy storage devices, and as a post-doc Kevin developed high permittivity nano-suspensions for electrostatic force applications. An interdisciplinarian at heart, Kevin was affiliated with Environmental Chemistry and & Technology (EC&T) program and the Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC) during his time at the UW-Madison. Kevin holds multiple patents in the areas of energy storage and conversion.

Baoyun Ge

Electrical Engineer

Baoyun earned his Ph.D. from the University of Wisconsin – Madison in 2018 with Wisconsin Electric Machine and Power Electronics Consortium, a world-renowned technology center for next-generation electric machines and drives. From 2013 to 2018, Baoyun focused his research on the mathematical modeling and manufacturing of electrostatic machines. Post-graduation, he has been working at C-Motive on the design of electrostatic machines, development of the electric drive, and benchmarking of dielectric fluid properties.

Baoyun has authored 6 patents in addition to 7 journal and 9 conference papers. He was awarded the first prize paper and third place thesis honors from IEEE Industry Application Society (IAS) in 2017 and 2019 respectively and the Harold A. Peterson Distinguished Dissertation award from UW-Madison ECE Department in 2019.

Aditya Ghule

Drive Control Engineer

Aditya has a decade of academic and industry experience in power electronics and electric machines with a specific focus on the design and development of variable frequency drive systems. Aditya earned a BS in electrical engineering from the College of Engineering Pune, India followed by MS in both electrical and mechanical engineering from the University of Wisconsin – Madison. Aditya joined Unico, Inc. as an expert in drive system development for several years before returning to UW-Madison to pursue a Ph.D. in electrical engineering.

Aditya’s master’s degree thesis work centered on permanent magnet motor control methodologies while his doctorate focused on control methodologies for electrostatic machines where he studied under Dr. Ludois and contributed to the advancement of electrostatic machine science and design.

Aditya has authored and co-authored two patents and eight academic publications.

Rachel Hoppe

Marketing Intern

Rachel has been active in pursuing a career in marketing since graduating high school in 2017. She began a marketing internship with iBeauthentic/The Style Garage before starting her studies at the University of Wisconsin – Madison, where she was able to obtain a position with University Recreation & Wellbeing as a graphic design intern as well as take courses in marketing, nonprofit studies, and graphic design. Through her experiences with Rec Well, she was able to gain intern positions with the office of the Vice Chancellor of Finance and Administration at UW-Madison and with Kerry, a global food and beverage corporation operating out of Beloit, WI. Rachel graduated from the University of Wisconsin – Madison in spring 2021 with a Bachelor of Science in Community and Nonprofit Leadership and a Certificate in Graphic Design.

At C-Motive, Rachel is responsible for providing insight to digital marketing projects, managing brand assets, and working with staff to facilitate updated content centered around the company’s mission and values.

Peter Killeen

Electrical Engineer

Peter is a power electronics hardware engineer with extensive experience in high-performance wide-band-gap converters and drives. He started his career at Arkansas Power Electronics (now part of Wolfspeed) which focused on the commercialization of multichip modules with wide-band-gap devices where he learned the ins and outs of high-performance power electronics. After 5 years in the industry, Peter returned to graduate school for a Ph.D. where he was introduced to the electrostatic machine. His Ph.D. research focused on the hardware development of medium voltage drives for electrostatic machines.

Peter earned his BS in electrical engineering from the University of Arkansas and his Ph.D. in electrical engineering from the University of Wisconsin – Madison.

Ryan Knippel

Mechanical Engineer

Ryan is a Mechanical Engineer who joined C-Motive Technologies in 2019 after graduating with a Ph.D. in Engineering Mechanics from the University of Wisconsin – Madison. The primary focus of his doctoral work was the maintenance of narrow gaps between rotating surfaces through the application and optimization of passive hydrodynamic bearings. This work culminated in the creation of a rotating capacitive power transfer mechanism designed to replace brushed slipring assemblies in wound field machines, as well as the development of a composite-based 25krpm electrostatic induction machine.

Ryan’s additional professional experience includes the design and structural validation of an 80 kW wound field synchronous machine for electric vehicle traction applications. Structural performance of the machine was validated using FEA models developed via material testing on laminates steel structures and application of Voigt and Reuss composite material models.

Dan Ludois

Chief Science Officer and Co-Founder

Dan’s background in physics and engineering inspired the C-Motive team to develop the company’s core technology. He is an expert in both the theory and application of electromagnetics, electrostatics, and solid-state power converters. Also a professor at UW-Madison, Dan spearheads the theoretical development of electrostatic machinery through to the proof of concept stage, while working in close collaboration with the company on projects, government grants, and inventions. He has published over 70 research papers and is an inventor on more than 30 issued and pending patents. Dan’s work on electrostatic machines earned him a National Science Foundation CAREER Award in 2015. He was named a Gordon & Betty Moore Inventor Fellow in 2017.

Currently, Dan directs a research team of 7 Ph.D. students at UW-Madison and is an Associate Director of the Wisconsin Electric Machines and Power Electronics Consortium. Dan and his team’s current focus at UW is based around fundamental research in capacitively (electrostatic) coupled power conversion systems.

Dan holds a BS of electrical engineering from Bradley University with MS and Ph.D. earned at the University of Wisconsin – Madison.

Matt Maroon

Chief Executive Officer

Matt has held product management and leadership roles in a range of startup companies, with experiences that were both venture capital as well as blue-chip company backed. In total, Matt is a six-time veteran of cleantech startups focused on next-generation energy storage technology. His previous endeavors include Firefly Energy, a startup focused on advanced lead-acid batteries, EnerG2, a startup creating high purity carbons for batteries and ultra-capacitors, GE Energy Storage, a startup with high-temperature sodium nickel chloride batteries for utility-scale applications, Aquion Energy, a startup with the worlds only safe and sustainable aqueous hybrid ion battery for renewable integration, Watt-Learn, a startup creating artificial intelligence for grid-connected batteries, and Oriden, a startup centered around a renewable project developer with a 500 MW pipeline of solar and storage projects.

Since 2004, his career in product management has focused on bridging the gap between the lab and the market, developing and selling new technologies into the rapidly evolving cleantech marketplace. With experience in half of a dozen distinct battery chemistries, software, renewable project development, applications from mobile to grid-scale, and well over 100 MWh deployed energy storage across the world, Matt has a track record of defining products and go-to-market strategies that work.

Matt earned his BS in mechanical engineering from Bradley University and holds multiple patents in energy storage and advanced materials.

Marissa Peck

Buyer, Advanced Procurement

Marissa is responsible for ensuring that the C-Motive team has the materials, supplies, and partners to develop the next generation of electrostatic machines. She orders new supplies for the research lab as needed to ensure that all items are fully in stock for different lab functions. She also coordinates with existing vendors and negotiates with new ones to make purchases, manage contracts, and follow up after placing orders to make sure that all purchased items are in the correct quantities and of required quality.

Justin Reed

President, Chief Technology Officer, and Co-Founder

Justin is a cofounder of C-Motive, an inventor of its core technology and patents, and a facilitator of guidance for the company’s engineering efforts through development of radically new electrostatic motor technology. This includes all aspects of the product technology, including interfacing with Dr. Ludois’ research team at UW-Madison as well as prospective customers for research and product development efforts.

Justin cofounded C-Motive Technologies in 2012 as a Ph.D. student and earned his Ph.D. two years later from the Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC), a world-renowned power engineering research group at UW-Madison. Justin is a recognized authority in power engineering, power electronics, motor design, motor control, and motor drive system modeling. He has co-authored 16 technical papers in peer-reviewed journals and conference proceedings and is an inventor on 5 different patents.

Justin holds a BS of electrical engineering from the University of Washington with MS and Ph.D. earned at the University of Wisconsin – Madison.

Barb Ziemer


Barb’s background includes working in administrative management positions over the last 40 years in both the public and private sectors. Her early experiences include those with the University of Wisconsin – Madison Medical School where she managed the support staff, administered grants and contracts both pre-and post-award, reviewed and set budgets, handled all HR matters including fringe benefits and payroll, and served on a variety of departmental committees providing administrative guidance and support to faculty and staff. After that, Barb worked as the executive assistant for the vice chancellor at the University of Wisconsin – Madison. She then moved on to TomoTherapy, Inc., now currently known as Accuray (ARAY). She was one of the early hires with the responsibility to set up the basic business infrastructure of the start-up company. She was responsible for human resource functions including policy development like completing payroll functions, recruiting, setting up and managing employee fringe benefits plans, and providing a large variety of other administrative functions as needed.

Barb has been working with C-Motive Technologies since March 2016, which has provided her with opportunities to perform similar functions within a small start-up like those originally executed at TomoTherapy.