About Us | Rhombus

Company Overview

Our mission: Helping to solve the world’s energy challenges by designing and deploying the most innovative and efficient power conversion and management solutions.

USA Headquarters - San Diego

Design Engineering and Sales

10915 Technology Place
San Diego, CA 92127

(888) 978-6564

Detroit, MI

Manufacturing and High Power Lab

15301 Century Dr.
Suite 204
Dearborn, MI 48120

(313) 406-3292

Ahmedabad, India

Rhomboid Engineering Pvt. Ltd.

Ambawadi, Ahmedabad
Gujarat 380015

Leadership

Richard J. Sander | CEO

BSME/MBA. Prior Rhombus Energy Solutions, Sander served as President and CEO of ISE Corporation, a hybrid drive system and energy storage supplier for heavy duty vehicles. Previous roles include Vice President of Worldwide Operations at…

Joseph Gottlieb | CTO & Director

BSEE/MSEE. Prior to Rhombus, Gottlieb founded Flux Power, Inc., a lithium battery management technology company. Gottlieb is an expert in battery technology and BMS design. In 2007, JG developed the world’s first hybrid-electric sport boat which included…

Kent Harmon | GM - Detroit

Harmon holds a BSEE degree from Michigan State University and a Masters of Finance from Walsh University. Harmon brings over 30 years of power converter technical and product development expertise in many applications including photovoltaic…

Parthiv Patel | GM - India

Prior to Rhombus, Mr. Patel was Vice President of Operations of ISE Corporation from 2007 – 2010. Prior to ISE, Mr. Patel served as Core Business Unit Manager for DotHill Systems from 2006 to 2007…

Dr. Anil Tuladhar | VP of Engineering

Mr. Tuladhar has a PhD in Power Electronics (inverter controls) from the University of British Columbia with over 22 years of advanced power converter controls and embedded software expertise prior to being co-founder of EDA.…

Kimberly Tom | CFA | VP Finance

Prior to Rhombus, Ms. Tom held leadership posts at Qualcomm/Qualcomm Ventures, Maxwell Technologies and Generation-E Technologies. Kimberly also held positions at Mercator Capital, Intel Capital and iPivot. She has 20 years of experience in financial…

Rhombus Launches Remote Charging Dispenser for Electric Vehicles

(Rick Sander, CEO, Thursday January 21, 2021) Today, Rhombus Energy Solutions launched our RES-D2-CS20 electric vehicle (EV) charging dispenser. The…

Reducing Energy Costs Through Vehicle Electrification

(Joseph Gottlieb, CTO, Tuesday January 19, 2021) There are a lot of ways that electrifying your vehicle fleet can benefit…

Electrification – It Isn’t Just for Passenger Vehicles

(Rick Sander, CEO, Tuesday January 5, 2021) When most people think about vehicle electrification, they invariably think about Tesla electric…

Wide Bandgap Semiconductors – Increasing Charger Performance

(Joseph Gottlieb, CTO, Tuesday December 8, 2020) One of the most exciting developments in power electronics in the past decade…

What is the Best Charger-Dispenser Architecture for V2G?

(Joseph Gottlieb, CTO, Thursday December 3, 2020) As a manufacturer of EV charging systems with remote dispensers, one of the…

Rhombus Energy Solutions – Providing Customers With Optimal Solutions

(Rick Sander, CEO, Tuesday November 24, 2020) As you could see from our previous three blogs, building electric vehicle (EV)…

M/HD Fleet EV Charger Maintainability – Critical to Charger Uptime

(Joseph Gottlieb, CTO, Tuesday November 17, 2020) One thing that is certain about medium-duty and heavy-duty (M/HD) vehicles – they…

Managing Medium/Heavy Duty Fleet Electric Vehicle Charger Communication Challenges

(Joseph Gottlieb, CTO, Tuesday November 10, 2020) Another thing that medium/heavy duty (M/HD) electric vehicle (EV) fleet chargers have manage…

Rhombus: Putting All the Pieces Together for M/HD EV Fleet Charging

(Rick Sander, CEO, Tuesday October 27, 2020) Our last few blogs reminds me of the question I often get from…

Combining the Demands of V2G With M/HD EV Fleet Charging

(Joseph Gottlieb, CTO, Tuesday October 20, 2020) If fleet charging for M/HD EVs wasn’t complex enough, many of these operators…

How Do Fleet Operations Complicate the Charging of M/HD EVs?

(Rick Sander, CEO, Tuesday October 13, 2020) The bulk of medium and heavy duty (M/HD) vehicles in the United States,…

What Does a Medium/Heavy Duty Electric Vehicle Need From Its Charging Infrastructure?

(Joseph Gottlieb, CTO, Tuesday October 6, 2020) One of the vehicle segments that has been taking off from an electrification…

What Does The Future Hold for Distributed Energy Resources, Microgrids, and Energy Management?

(Rick Sander, CEO, Tuesday September 29, 2020) One thing that is almost as certain as death and taxes is that…

What Does it Take to Certify an Inverter for Use in Microgrids?

(Joseph Gottlieb, CTO, Wednesday September 23, 2020) If you have been following the news over the past several months, the…

Rhombus Energy Solutions Closes Series C Funding

(Rick Sander, CEO, Thursday September 17, 2020) Today Rhombus announced the closing of our Series C funding round. The round…

The Role of Smart Inverters in Distributed Energy Resource Management

(Joseph Gottlieb, CTO, Tuesday September 15, 2020) For distributed energy resources (DERs) such as photovoltaic (PV) solar, or energy storage…

The Fight over the Management of Distributed Energy Resources

(Joseph Gottlieb, CTO, Tuesday September 8, 2020) One of the issues that has emerged from the growth of distributed energy…

The Growth in Virtual Energy Resources

(Rick Sander, CEO, Tuesday September 1, 2020) One of the hot topics in energy today is the concept of “virtual…

Tailoring V2G Solutions for Medium and Heavy Duty Electric Vehicle Fleets

(Joseph Gottlieb, CTO, Tuesday August 18, 2020) One of the electric vehicle (EV) segments where Vehicle to Grid (V2G) is…

Building Partnership Ecosystems to Create V2G Solutions for EV Fleets

(Rick Sander, CEO, Thursday August 13, 2020) It is seldom the case that a single company can build an entire…

Rhombus Achieves UL 1741SA Certification

(Rick Sander, CEO, Tuesday August 11, 2020) Today we announced that the Rhombus Energy Solutions 60kW Power Conditioning System (PCS)…

Coordinating V2G with Utility Providers

(Joseph Gottlieb, CTO, Tuesday August 4, 2020) Vehicle to Grid (V2G) is one of the hotter topics in green energy…

Vehicle to Grid (V2G), UL 9741, and Where V2G is Most Likely To Be Successful

(Joseph Gottlieb, CTO, Tuesday July 21, 2020) The second specification that is relevant to vehicle to grid (V2G) solution is…

What Are the Requirements for an Electric Vehicle Charger to Be Vehicle to Grid Capable?

(Joseph Gottlieb, CTO, Tuesday, July 7, 2020) As our previous blogs pointed out, vehicle to grid (V2G) is a complex…

Why Rhombus is the Right Answer for Fleet EV Charging

(Rick Sander, CEO, Tuesday, June 30, 2020) Designing high-power chargers for fleet electric vehicles (EVs) is a challenging endeavor. It…

Rhombus – Our Unique Test and Manufacturing Capabilities

(Joseph Gottlieb, CTO, Tuesday, June 23, 2020) For nearly any product, the design is only part of the equation –…

Why Rhombus Chargers Are Different

(Rick Sander, CEO, Tuesday, June 16, 2020) Our last couple of blogs explored the impact of reliability on fleet electric…

High-Power Chargers, Thermal Designs, and Reliability

(Joseph Gottlieb, CTO, Tuesday, June 9, 2020) What is the biggest threat to the reliability of high-power electric vehicle (EV)…

The Business Impact of Choosing the Wrong High-Power Chargers for EV Fleets

(Rick Sander, CEO, Tuesday, June 2, 2020) When an organization has to buy a large quantity of anything expensive (such…

Adding Vehicle to Grid (V2G) to Your Energy Storage + EV Charging Use Case

(Joseph Gottlieb, CTO, Thursday, May 28, 2020) Our last blog looked into the key metrics to look at when considering…

Key Parameters to Look At for Fleet EV Energy Storage

(Rick Sander, CEO, Tuesday, May 26, 2020) Now let’s assume that your organization is considering integrating battery-based energy storage into…

Building Vehicle-To-Grid Power Storage Solutions for Fleet EV Operators

(Joseph Gottlieb, CTO, Thursday, May 21, 2020) Our last blog explored the use of vehicle-to-grid (V2G) for energy storage. Let’s…

What is Vehicle-To-Grid (V2G), and Can It Help Avoid Utility Power Issues

(Rick Sander, CEO, Tuesday, May 19, 2020) One of the hot topics in energy storage today is “vehicle-to-grid” (also known…

Are Batteries Really An Option for Fleet EV Power Storage?

(Joseph Gottlieb, CTO, Thursday, May 14, 2020) Rick’s last blog talked about different energy storage options for electric vehicle (EV)…

Energy Storage Options for EV Charging – Lots of Choices, But Not All of Them Are Great for Fleet EV Operators

(Rick Sander, CEO, Tuesday, May 12, 2020) If you followed our blogs last month, you read how the growing electrification…

Air Pollution Sources By The Numbers

(Joseph Gottlieb, CTO, Thursday, May 7, 2020) If you have been outside during March or April (or if you have…

How Can We Keep the Air Clean After COVID-19 Exits?

(Rick Sander, CEO, Tuesday, May 5, 2020) One of the benefits (if you can call it that) of the COVID-19…

A Reference Architecture for Integrating Energy Storage in Fleet EV Charging Infrastructure

(Rick Sander/ CEO and Joseph Gottlieb/CTO, Tuesday, April 22, 2020) While 2020 will likely see flat electric vehicle (EV) sales,…

Fleet Electric Vehicle Charging Scenarios

(Joseph Gottlieb, CTO, Thursday, April 23, 2020) For fleet operators with electric vehicles (EVs), the availability of adequate energy resources…

Why Fleet Vehicle Purchasing Patterns Are Different Than Consumer Vehicle Purchasing Trends

(Rick Sander, CEO, Tuesday, April 21, 2020) Our last two blogs examined some of the recent trends in the purchasing…

If Younger Consumers Aren’t Buying Cars, How Are They Getting Around?

(Joseph Gottlieb, CTO, Thursday, April 9, 2020) As was noted in Rick’s blog from Tuesday (April 7th), younger drivers are…

10 Electric Vehicles Myths – FAKE NEWS!

(Rick Sanders, CEO, Tuesday, September 17, 2019) “When technological innovation threatens to upend the status quo, the status quo fights…

Is the Grid Really Ready for an Onslaught of Electric Vehicles?

(Joseph Gottlieb, CTO, Thursday, April 2, 2020) If you read our last blog, you heard some of the reasons that,…

As the World Economy Slows Down, What is Happening to The Electric Vehicle Revolution?

(Rick Sander, CEO, Tuesday, March 31, 2020) I think we are all familiar with what is happening to the world…

Implementing VectorStat® in Fleet Electric Vehicle Deployments

(Joseph Gottlieb, CTO, Thursday, March 26, 2020) We have talked a lot in our last several blogs about the importance…

The Impact of Air Pollution, and a Real Need for Electric Vehicles

(Rick Sander, CEO, Tuesday, March 24, 2020) There has been a lot written recently about the connection between air pollution…

Why Vehicle-To-Grid Is So Important for EV Fleet Operators

(Joseph Gottlieb, CTO, Thursday, March 19, 2020) There are a couple of questions that we often get from potential customers:…

Gathering Data from EV Fleets – Critical to EV Profitability

(Rick Sander, CEO, Tuesday, March 17, 2020) Our last several blogs have explored the importance of collecting electric vehicles (EVs)…

Deep-Diving the VectorStat® VS-10

(Joseph Gottlieb, CTO, Thursday, March 12, 2020) On Tuesday, Rhombus Energy Systems launched its VectorStat VS-10 Linux single-board computer (SBC).…

Welcome the VectorStat® VS-10: The Latest Member of the Rhombus Energy Solutions Product Family

(Rick Sander, CEO, Tuesday, March 10, 2020) Today, Rhombus Energy Solutions announced the launch of the VectorStat VS-10, a Linux…

Different Drives for Different Trucks

(Joseph Gottlieb, CTO, Thursday March 5th, 2020) As Rick stated in his blog on Tuesday, the WorkTruck Show 2020 (WTS20)…

WorkTruck Expo Is This Week – Look for EV Fleet Innovations

(Rick Sander, CEO, Tuesday, March 3, 2020) The WorkTruck Show 2020 (WTS20) kicked off this week in Indianapolis. As one…

Using the Cloud Intelligently for Energy Management Solutions

(Joseph Gottlieb, CTO, Thursday February 27th, 2020) Whether you are speaking about consumer or enterprise customers, “the cloud” is an…

Lots of Products Being Built in Our New Space

(Rick Sander, CEO, Tuesday, February 25, 2020) We have been talking a lot recently about helping our customers “get the…

Why Extensibility is Important for Energy Management Software

(Joseph Gottlieb, CTO, Thursday February 20th, 2020) In my job as CTO for Rhombus Energy Solutions, a key responsibility is…

Getting the Gold Out Successfully – Implementing a Data Acquisition Strategy

(Rick Sander, CEO, Tuesday, February 18, 2020) If you have read my last few blogs, you probably agree with me…

But How Much Can You Really Manage Your Energy Usage?

(Joseph Gottlieb, CTO, Thursday February 13th, 2020) My last post dealt with data acquisition and data analysis in the energy…

And How Much Data is In Them Thar Hills?

(Rick Sander, CEO, Tuesday, February 11, 2020) One of the sayings that is pervasive today in business is that “data…

The Capture and Management of Data on the Edge (of the Grid) – Lots of Challenges!

(Joseph Gottlieb, CTO, Thursday, February 6, 2020) I get asked at parties and other social gatherings about what we do…

Data Matters, But Only If You Can Use It

(Rick Sander, CEO, Tuesday February 4th, 2020) The value of data to modern enterprises is not just an established fact…

Why is Bi-Directional Charger Operation So Important for EV Fleets?

(Joseph Gottlieb, CTO, Thursday, January 30, 2020) One of the often-cited positives of electric vehicles (EVs) for fleet operators is…

And Speaking About Electrification of Larger Vehicles, How About Delivery Vans?

(Rick Sander, CEO, Tuesday January 28st, 2020) Our blog series this month has discussed the growth in electric vehicles (EVs)…

If Electric Cars, Buses and Trucks All Use High-Power Chargers, How do Their Use Cases Differ?

(Joseph Gottlieb, CTO, Thursday, January 23, 2020) Our blog series this month has focused on the electrification of a variety…

And Speaking About Electrification of Larger Vehicles, How About Public Transit Buses?

(Rick Sander, CEO, Tuesday January 21st, 2020) Our last couple of blogs looked at the electrification of automobiles, light trucks,…

Why is Energy Storage So Critical to High-Power DC Charging Stations?

(Joseph Gottlieb, CTO, Thursday, January 17, 2020) We have talked about the importance of integrating energy storage into DC fast…

Still More EVs coming to Market – And Almost Half Are SUVs

(Rick Sander, CEO, Tuesday, January 14, 2020) My blog last week talked about the number of EVs coming out in…

The Consumer Electronics Show – the First (Electric) Car Show of 2020?

(Joseph Gottlieb, CTO, Thursday, January 9, 2020) It used to be that the Consumer Electronics Show (CES) was all about…

Easy Prediction for 2020? More Electric Autos, Light Trucks, and SUVs!

(Rick Sander, CEO, Tuesday, January 7, 2020) If you through that the market for electrified auto, light truck, and SUV…

What Happens to the Old Batteries from Electric Vehicles?

(Joseph Gottlieb, CTO, Friday, December 20, 2019) Today, it seems that everything is battery-powered. If your home is like mine,…

Why Short-Medium Distance Delivery Trucks are Going Electric

(Rick Sander, CEO, Tuesday, December 17, 2019) It used to be that you could tell that the holiday season was…

If Santa’s sleigh was an electric vehicle, could he get all the way around the world on one charge?

(Rick Sander, CEO, Tuesday, December 10, 2019) We have all probably seen the Mercedes commercial from a couple of year…

Can I Charge My Electric Vehicle and Run My Holiday Lights At the Same Time?

(Joseph Gottlieb, CTO, Thursday, December 5, 2019) A couple of blogs ago, we discussed the idea that you couldn’t cook…

Electric Cars and Light Trucks – The Holiday Gift for This Year?

(Rick Sander, CEO, Tuesday, December 3, 2019) Choosing the right holiday gift for friends and relatives is always challenging. If…

If I Get an Electric Truck, Will I Still be Able to Cook My Thanksgiving Dinner on the Engine Block?

The past few weeks have seen the launch (and promised launch) of several electric pickup trucks. This week, Tesla launched…

The US Electric Vehicle Market – Does Tesla Have any Challengers?

(Rick Sander, CEO, Thursday, November 21, 2019) When people think of automotive electric vehicles (EVs) in the US market, they…

High Power Charging Isn’t Just for Big Vehicles

(Joseph Gottlieb, CTO, Tuesday, November 19, 2019) A few weeks (and a few blogs) ago, we talked about how fast…

Electric Autos Aren’t the Only Growing Electrified Segment of the Light Vehicle Market

(Joseph Gottlieb, CTO, Tuesday, November 12, 2019) When most people think of electric vehicles (EVs), they think primarily of Tesla…

Energy Storage and Electric Vehicle Charging

(Rick Sander, CEO, Thursday, November 7, 2019) For most of the recent future, high-power charging systems (those with greater than…

Rhombus Energy Solutions Is At The Energy Storage North America Show This Week

(Rick Sander, CEO, Wednesday, November 6, 2019) Today is the first full day of the Energy Storage North America (ESNA)…

Myths Regarding Electric Vehicles – How Do These Apply to My EV Fleet?

(Joseph Gottlieb, CTO, Thursday, October 31, 2019) I hope that you have enjoyed our series of blogs on “myths regarding…

Myths Regarding Electric Vehicles- Myth #10 Do I look Fat in this Electric Vehicle?

(Rick Sanders, CEO, Tuesday, October 29, 2019) We have been tackling some of the more prevalent myths regarding electric vehicles…

Myths Regarding Electric Vehicles- Myth #9 Stick with the Popular Kids

(Joseph Gottlieb, CTO, Thursday, October 24, 2019) One prevalent myth regarding electric vehicles (EVs) is that gas powered cars are…

Myths Regarding Electric Vehicles- Myth #8 Electric Vehicles are Banned on Many Major Roadways

(Rick Sanders, CEO, Tuesday, October 22, 2019) Wow! That is going to be one heck of a ticket isn’t it?…

Myths Regarding Electric Vehicles- Myth #7 Charging Time

(Joseph Gottlieb, CTO, Thursday, October 17, 2019) There are many myths regarding electric vehicles (EVs), and we are tackling the…

Myths Regarding Electric Vehicles- Myth #6 The Grid Will Crash!

(Rick Sanders, CEO, Tuesday, October 15, 2019) There are many myths regarding electric vehicles. Myth #6 on our list is…

Myths Regarding Electric Vehicles- #5 Cha-Ching!

(Joseph Gottlieb, CTO, Thursday, October 10, 2019) Electric vehicle? No way! Do you think I am a millionaire or something?…

Myths Regarding Electric Vehicles- Myth #4 Stranded!

(Rick Sanders, CEO, Tuesday, October 8, 2019) A common myth regarding electric vehicles is that you will not make it…

Integrating Energy Storage with EV Fleet Charging Infrastructure Requires More Than Just Hooking Up a Bunch Of Batteries to Your Chargers

(Joseph Gottlieb, CTO, Thursday, October 3, 2019) Our last blog dealt with some of the reasons that operators of electric…

Why Energy Storage is Important for Fleet Electric Vehicle Charging

(Rick Sanders, CEO, Tuesday, October 1, 2019) Electrification of medium/heavy duty electric vehicles (EVs) such as transit buses and short/medium…

Myths Regarding Electric Vehicles- #3 Performance

(Joseph Gottlieb, CTO, Thursday, September 26, 2019) There are a lot of myths regarding batteries for electric vehicle use, ranging…

Myths Regarding Electric Vehicles- Myth #2 is Shocking!

(Rick Sanders, CEO, Tuesday, September 24, 2019) One surprisingly and prevalent myth regarding electric vehicles is that you cannot get…

Electric Vehicle Day- San Diego and Consumers Drive for a Transportation Revolution

(Joseph Gottlieb, CTO, Thursday, September 12, 2019) This Saturday, San Diego will host the world’s largest EV event at Liberty…

10 Electric Vehicles Myths – FAKE NEWS!

(Rick Sanders, CEO, Tuesday, September 17, 2019) “When technological innovation threatens to upend the status quo, the status quo fights…

2010 Electric & Hybrid Vehicle Technology Expo and Get on the Bus, Gus

(Rick Sander, CEO, September 10, 2019) Today, we are joining our fellow technology leaders at The Electric & Hybrid Vehicle…

Myths Regarding Electric Vehicles- #1 Batteries

(Joseph Gottlieb, CTO, Thursday, September 19, 2019) There are a lot of myths regarding batteries for electric vehicle use, ranging…

Building Highly Reliable EV Charging Systems

(Joseph Gottlieb, CTO, Thursday August 22, 2019) In our last blog, we explored some of the impacts that occur when…

Senior Power Electronics and Controls Engineer

As a result of our continuing growth, Rhombus Energy Solutions, Inc. Rhombus is seeking a seasoned, results-oriented, and self-motivated individual with Power Electronics and Firmware design experience to join our engineering team. This position will report to the VP of Engineering and will be a member of the development team…

Mechatronics Engineer

As a result of our continuing growth, Rhombus Energy Solutions, Inc. has an opportunity for a results-oriented and driven MECHATRONICS ENGINEER to join our Engineering Team in our Dearborn, MI location. Reporting to the VP of Engineering & GM, the MECHATRONICS ENGINEER is responsible for electrical/mechanical packaging, 3-D product modeling,…

Electrical or Software Engineer

As a result of our continuing growth, Rhombus Energy Solutions, Inc. has an opportunity for a results-oriented and driven ELECTRICAL or SOFTWARE ENGINEER to join our Engineering Team in our Dearborn, MI location. Reporting to the VP of Engineering, the ELECTRICAL or SOFTWARE ENGINEER is responsible for hardware design, software…

Firmware Engineer

As a result of our continuing growth, Rhombus Energy Solutions, Inc. Rhombus is seeking a seasoned, results-oriented, and self-motivated individual with Power Electronics and Firmware design experience to join our Engineering Team. This position will report to the VP of Engineering and will be a member of the development team…