American Energy Storage Innovations, Boxborough, MA                 2021 – 2025

CTO

• Investigated, validated and approved all new battery cells for use in AESI’s TeraStor product

• Created State-of-charge, State-of-health, and State-of-balance algorithms for battery mgt

• Created sizing tool for customers and Applications Engineering to plan project size over entire service period, including 2D layouts and 3D visualizations in multiple environmen

• Developed framework for flexible warranty to allow customers to operate their storage assets flexibly over the service period without worrying about voiding their warranty

• Managed the company’s IP portfolio, drafting patent and shepherded ideas through the process 

NEC Energy Solutions, Westborough, MA 2014 – 2020

Vice President Research and Technology, CTO

• Delivered a solid portfolio of energy storage technologies to product development, resulting in NEC’s market leadership and strength. Led the activities and directed the research and technology group.

• Analyzed past battery performance using neural networking tools.

• Tested battery performance on site for short and long-term performance.

• Built models for existing product performance.

• Investigated future energy storage technologies.

• Worked with energy storage technology companies to bring their products to market.

A123 Systems, Westborough, MA 2006 – 2014

Director of Applications Engineering, ESG (2009 – 2014)

• Successfully matched customer needs with an optimized technology solution by creating a group to configure, size, and cost the technical aspects for all new business opportunities (NBO) for the stationary power systems group, ESG.

• Immediately responded to customer requests for company’s products and services by conceptualizing new products and estimating product development effort and product costs.

• Created tools, processes, and team to handle an average of three NBOs per week, which enabled team to quickly respond to a large number of requests.

• Enabled customers to build their business as A123 Systems built its own by working closely with clients, marketing, sales, and ESG management to create solutions.

Director of Product Safety and Compliance, ESG (2008 – 2009)

• Formed a group to manage all compliance and safety of products developed by the Energy Storage Group, which allowed A123 Systems to build safe and effective products for global acceptance.

• Researched, understood, and documented existing product compliance regulations in the relatively new field of large lithium-ion batteries, which pioneered new safety standards in an industry that was very new.

• Participated on international standards committees to help develop new and evolving large-format lithium-ion battery safety regulations to help the industry create standards, which benefited both users and manufacturers.

• Assisted product development teams to obtain appropriate certifications and approvals around the world.

Director of Engineering, ESG (2006 – 2008)

• Formed and managed the pack engineering group in A123 Systems which created systems from the powerful new cell that A123 had brought into existence.

• Led the creation of the architecture for a scalable, adaptable battery module and pack architecture to allow for a (…)

• Assumed core engineering work by designing new aviation starting battery prototype using an ultra-high reliability architecture and designed and released specialized fast charger for A123 battery packs for the R/C market.

• Selected a shop location in Massachusetts and set up utilities, lab space, and small prototype assembly line in order to bootstrap operations. 

American Power Conversion Corp. (APCC), Billerica, MA 1998 – 2006

Strategic Initiatives, Research Director, BNG, APCC (2000 – 2006)

• Formed and managed an applied technology research group to investigate alternative technologies that reduced the total cost of ownership of company’s UPS products.

• Investigated new technologies to determine applicability in future APC products, including: batteries, communication, topology, energy source and storage, power management, and others. 

• Led the architecting of the next-generation UPS with a cross-organizational team, which resulted in several patents in the APC portfolio. 

• Set up and managed a product development engineering team in China to help reduce the global cost of engineering and increase company’s local responsiveness in that area.

Engineering Manager, APCC (1995 – 2000)

• Led a group of EEs, MEs, and FW development engineers and support personnel to design and develop UPS products for a global business market.

• Grew the team from 13 to 55 in two years to respond to a rapidly expanding market. 

• Interfaced with customers to learn of their requirements and problems to brainstorm new products that increased business opportunities.

• Worked with business unit management, marketing, and manufacturing to maintain product roadmap and vision. 

• Helped architect and implement a new product development process at APC that streamlined and made engineering efforts more effective.

• Promoted and organized staff training in engineering and CQM, which improved the overall quality of company’s engineering processes.

Program Manager, Design Engineer, APCC (1990 – 1995)

• Created UPS products from concept to shipment. Included analog, digital circuit, and magnetic design, prototyping, PCB design, design verification, safety and EMI certification, production test development, and manufacturing and sales support. 

• Designed analog ASICs used in APC Smart-UPS product (over one million units per year), which helped improve quality and reduce product cost.

• Instituted new PCB CAD design tools at APC. Involved in the installation of the tools, self-training, library population, and structure.

Associate Design Engineer - APCC (1988 – 1990)

• Developed test fixtures, programs, and equipment for high-volume production, in-circuit component and functional verification.

• Designed and built APC's first automatic production testers to bring factory to the next level in high-volume manufacturing.

Prior to 1988

Details available upon request.

• Distribution Engineer, Boston Edison, Boston (1 year)

• Cooperative Education Experience, National Security Agency, Fort Meade, MD (1.5 years)

Master of Science, Electrical Engineering, Northeastern University, Boston, MA (1993)

Bachelor of Science, Electrical Engineering, Drexel University, Philadelphia, PA (1987)

Additional Courses

• Finance, product strategy, motivation, and other Executive Harvard and MIT business courses 

• Magnetic Component Design (1996)

• Analog Integrated Circuit Design, MIT (1991)

• Surge and Transient Immunity, University of Wisconsin (1989)

• Various CQM courses (7/9-step, Concept Engineering, ...) 

• Grid energy storage system featuring massively parallel-connected cells: 12,308,474 (2025)

• Control Method for Disconnecting Switches Integrated in Series-Connected Batteries; 10,014,697 (2018)

• Temperature Controlled Parallel Balancing; 9,093,847 (2015)

• Battery Balancing System; 8,593,015 (2013)

• Battery Charger with Integrated Cell Balancing; 8,098,048 (2012)

• Battery Tab Location Design and Method Of Construction; 8,084,158 (2011)

• Multi-Configurable, Scalable, Redundant Battery Module with Multiple Fault Tolerance; 7,990,101 (2011)

• Energy Storage Based Countermeasure for a Delayed Voltage Recovery; 8,935,111 (2010)

• Communication Protocol; 7,796,589 (2010)

• Method for Detecting Cell State-Of-Charge Divergence of a Series String of Batteries or Capacitors; 8,581,547 (2009)

• Controlling re-charge of a nickel metal-hydride (NiMH) or nickel cadmuim (NiCd) battery; 7,129,676 (2006)

• Multiple Energy Storage Device Controller; 6,424,119 (2002)

• Energy Storage Technologies and Applications, Artech House Publishers, July 2022

• Energy Storage Architecture, Cambridge University Press, June 2022

• “A New Levelized Cost of Using (Energy) Storage (LCUS) Metric to Compare Energy Storage Technologies” NEC Energy Solutions (2019)

• "Comparing the Upfront Costs of Energy Storage " NEC Energy Solutions (2016)

• "Battery Energy Storage System (BESS) and Battery Management System (BMS) for Grid-Scale Applications" Proceedings of the IEEE, ( 2014)

• “Analysis of the Instability of PFC Power Supplies with Various AC Sources” Proc. IEEE APEC (February 1994)

• “Instability of PFC Power Supplies with Various AC Sources” Proc. PCIM Power Conversion (October 1993)

• “Thermal Runaway of Lead Acid Batteries” Proc. BattComm (May 2005)