David Erhart

David Erhart Email and Phone Number

Director @ SunSpec Alliance
Orlando, FL, US
David Erhart's Location
Orlando, Florida, United States, United States
David Erhart's Contact Details
About David Erhart

Executive level hardware product development and management experience. Directly managing hardware development processes ranging from initial architecture and design to prototyping and agency certifications through to production release and field support. Product management of IIOT software for distributed energy storage systems.CTO direct report and Board of Director level participation and reporting.Development experience in hardware design, embedded software, device drivers and applications. Battery system design, power electronics and Smart Inverters. Hardware, software and service design, development and deployment experience. Understanding and experience with closed and open source software development. Extensive trade show exhibitor experience, inter-company development coordination and real-time 24x7 service operations. Successfully managed engineering, manufacturing and support teams for international product design, development and support.Specialties: Full cycle product definition and development, hardware/software interfacing, embedded development, battery management systems, power converters, telecom systems, build/make systems, revision/version control, agency approvals (UL/FCC), project management.

David Erhart's Current Company Details
SunSpec Alliance

Sunspec Alliance

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Director
Orlando, FL, US
David Erhart Work Experience Details
  • Sunspec Alliance
    Director
    Sunspec Alliance
    Orlando, Fl, Us
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  • Stem, Inc.
    Head Of Technical Standards And Compliance
    Stem, Inc. Feb 2022 - Present
    San Francisco, Ca, Us
    Following the industry trends and requirements in Standards and Compliance. Maintaining a single view of what standards apply and when.
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  • Stem, Inc.
    Vice President Of Hardware Engineering
    Stem, Inc. Jan 2010 - Feb 2022
    San Francisco, Ca, Us
    Responsible for hardware and embedded software systems architecture for Stem's energy optimization products. Leading the Engineering group in hardware and embedded software systems design and development. Technology evaluations, power electronics, battery chemistry evaluations, and battery management systems and controls. Successfully fielded multiple megawatts of behind the meter energy storage systems.
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  • Sunspec Alliance
    Director
    Sunspec Alliance Jun 2019 - Present
    San Jose, California, Us
    The SunSpec Alliance is a trade alliance of more than 100 solar and storage distributed energy industry participants, together pursuing information standards to enable “plug & play” system interoperability. SunSpec standards address operational aspects of solar PV power and energy storage plants on the smart grid—including residential, commercial, and utility-scale systems—thus reducing cost, promoting technology innovation, and accelerating industry growth.
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  • Sunspec Alliance
    Group Lead - Inverter Working Group
    Sunspec Alliance Apr 2017 - Present
    San Jose, California, Us
    The inverter workgroup considers topics related to SunSpec inverter support. The main activities are concerned with proposals related to creation and support of the SunSpec inverter information models. The current major topics are: SunSpec Rule 21/UL 1741 compliance, SunSpec IEEE 2030.5 (SEP2) mapping, SunSpec four quadrant inverter support.
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  • Mesa Standards Alliance
    Board Member
    Mesa Standards Alliance Jan 2018 - Present
    San Francisco, California, Us
    Transforming the Market in Energy Storage:Modular Energy Storage Architecture (MESA) is an open, non-proprietary set of specifications and standards developed by an industry consortium of electric utilities and technology suppliers. Through standardization, MESA accelerates interoperability, scalability, safety, quality, availability, and affordability in energy storage components and systems.
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  • Energy Technology Distributions
    Board Member
    Energy Technology Distributions Sep 2016 - Present
    Stealth mode company based on solid-state capacitive energy storage technology.
  • Capacitor Sciences, Inc.
    Board Member
    Capacitor Sciences, Inc. Dec 2015 - Sep 2016
    Capacitor Sciences has developed a solid-state capacitive energy storage technology with which to create high power density and high energy density energy storage devices able to provide 10X the energy density and 100X the power density of lithium ion batteries at below $100/kWh. This energy storage technology is applicable for high power capacitor components, electric vehicles, residential, commercial, industrial and utility-scale energy storage systems. Capacitor Sciences seeks to engage with customers and development partners who can gain immediate performance and economic benefits from integrating the Company’s dielectric materials into their capacitor components and energy storage devices.
  • Powergetics, Inc. (Now Stem, Inc.)
    Senior Systems Engineer
    Powergetics, Inc. (Now Stem, Inc.) Jan 2009 - Jan 2010
    Overall architecture and embedded design work for an 'intelligent energy storage system'. Powergetics, Inc. was rebranded as Stem, Inc. after Series A fundraising.
  • Daviderhart.Com
    Senior Systems Engineer - Founder
    Daviderhart.Com Jul 2005 - Jan 2009
    Contract development & engineering services. C++ is my language of choice and I do the majority of my work on Microsoft Windows systems.I've worked on various embedded systems, VoIP voice and video systems and video conferencing systems.The last contract was with Dialogic Corporation on a Windows and Linux based VoIP gateway using Dialogic telephony hardware products and the Asterisk PBX.Prior to Dialogic, I worked on a contract with a company called Avistar Communications in the San Francisco bay area. It was a challenging SIP/H.323 Interworking Gateway project based on OpalVoip's SIP/H.323 stack. The Avistar people are great to work with and their products perform very well.Other contracts involved working on an H.323 to RTSP video server based on OpalVoip's H.323 stack which is still pending further development.
  • Industrial Digital Control
    Senior Systems Engineer And Co-Founder
    Industrial Digital Control Sep 2005 - 2007
    Developed software for multiple embedded systems in automated water dispensing equipment. Implemented custom serial communication protocol to communicate with remote, wired button panels. Assisted in hardware re-design and bring-up. The embedded systems have been running 24x7 without failures for many several years.Consulted with other companies for Industrial Digital Control regarding product development designs and plans.C language for Atmel microcontrollers.Location: Milpitas, California
  • Cuworld Inc.
    Executive Technical Director
    Cuworld Inc. Jun 2003 - Jun 2005
    Provided technical direction for the engineering team developing the CUWorld service based on the CuSeeMe service acquired from FVC. Assisted in planning of service operations, look-n-feel, co-location facilities, payment processing, development tool choices, client side application design and event management. Directly involved with the customer base and daily improvements to the operation of a real time, 24x7 service. Directed trouble shooting efforts to improved connectivity and quality issues.Location: San Francisco, California
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  • Quicknet Technologies, Inc.
    Cto
    Quicknet Technologies, Inc. 1996 - 2003
    Held various positions at Quicknet starting as the main developer working hardware design and debug as well as device driver writer (Windows). Assisted with Quicknet's product and service developments as Director of Engineering, VP of Engineering and finally as the CTO. Responsible for the development of Quicknet's products including the Internet PhoneJACK, Internet LineJACK, Internet PhoneCARD, Internet SwitchBoard, MicroTelco service, the developer program as well as many more activities. Quicknet's engineering group was staffed with world class individuals that have since gone on to other lucky companies.Location: San Francisco, California
  • Quicknet Technologies, Inc.
    Director
    Quicknet Technologies, Inc. Feb 1998 - Mar 2001
    Quicknet Technologies developed a full suite of Internet Telephony (VoIP) hardware, software and service products which were sold worldwide. Quicknet's offering allowed consumers free point to point VoIP calls and low cost VoIP to PSTN calls along with calling card reseller platforms.
  • Altos Engineering Applications, Inc.
    Lead Software Engineer
    Altos Engineering Applications, Inc. Feb 1991 - Jun 1996
    Windows software (CHECWORKS) development for the nuclear power plant industry under contracts mainly from EPRI. Managed other developers, build process, GUI design, tool selection/maintenance, on-site user training and network/IT management. Involved in meeting NRC and ISO 9001 requirements. Assisted in creating a spin-off company called Matrix Netware, Inc. that created network management tools such as NetAssist(tm) and others.C and Visual Basic programming. PVCS and SourceSafe.
  • Qms/Imagen, Inc.
    Systems Engineer
    Qms/Imagen, Inc. Feb 1989 - May 1990
    Implemented printer drivers for new color printers, assisted with printer controller hardware debug and MIPS R3000 boot code development. Did proof-of-concept work on 24-bit color PostScript printing to dye-sublimation printers.C programming on MS-DOS, Windows and Unix.MIPS R3000 Assembly language.Location: Santa Clara, California
  • Qms, Inc.
    Hardware Engineer
    Qms, Inc. Aug 1987 - Feb 1989
    Worked in the R&D group on various product ideas. Co-developed the PrintLink(tm) print server system and the PrintLink dual-parallel port ISA card for high-speed printers such as color dye-sublimation and thermal transfer printers. Moved from the R&D group to the hardware engineering group to get more hands-on experience with product development beyond the initial concept. Did schematic capture, PAL programming, PostScript programming and was introduced to the manufacturing processes involved in hardware product lifecycles.
  • Smithsonian Tropical Research Institute (Stri), Panama
    Computer Programmer (Part Time)
    Smithsonian Tropical Research Institute (Stri), Panama Aug 1984 - Jun 1987
    Contract programming during summer vacations, co-op job and senior project during college. Developed a digital image processing system for analyzing hemispherical photographs of forest light environments. Custom 'C' programs were developed to scan and analyze tens of thousands of b/w negatives of forest light taken with a fisheye lens in the jungles of Panama. The main program name was SYLVA.Resulted in a published paper:Becker, P., D. W. Erhart, and A. P. Smith. 1989. Analysis of forest light environments Part I. Computerized estimation of solar radiation from hemispherical canopy photographs. Agricultural and Forest Meteorology 44:217-232.http://en.wikipedia.org/wiki/Hemispherical_photography
  • Irish Engineering Co., Inc.
    Computer Programmer (Part Time)
    Irish Engineering Co., Inc. 1984 - 1986
    Implemented a custom multi-user order processing, billing, invoicing, A/P, A/R system using dBase III. The system ran on an IBM PC/AT running PC/MOS with an expansion box that connected to monitors and keyboards in offices throughout the building. Performed backups, training and equipment installation and service.

David Erhart Education Details

  • University Of South Alabama
    University Of South Alabama
    Mathematics
  • Panama Canal College
    Panama Canal College
    Computers

Frequently Asked Questions about David Erhart

What company does David Erhart work for?

David Erhart works for Sunspec Alliance

What is David Erhart's role at the current company?

David Erhart's current role is Director.

What is David Erhart's email address?

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What is David Erhart's direct phone number?

David Erhart's direct phone number is +141523*****

What schools did David Erhart attend?

David Erhart attended University Of South Alabama, Panama Canal College.

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