Fractional Cto | Energy Storage And Battery Technology
Self-Employed
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Bert Holtappels Email & Phone Number
Fractional CTO | Energy Storage and Battery Technology
at
Self-employed
2 work emails found
@tanktwo.com
3 phones found area 840 and 212
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 86%
Current company
Role
Fractional CTO | Energy Storage and Battery Technology
Location
Sunnyvale, California, United States
Company size
Who is Bert Holtappels? Overview
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Quick answer
Bert Holtappels is listed as Fractional CTO | Energy Storage and Battery Technology at Self-employed, a company with 8 employees, based in Sunnyvale, California, United States. AeroLeads shows a work email signal at tanktwo.com, phone signal with area code 840, 212, and a matched LinkedIn profile for Bert Holtappels.
Bert Holtappels previously worked as Executive Advisor at Self-Employed and Founder at Tanktwo.
Company email context
Email format at Self-employed
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{first}@tanktwo.com
92% confidence
AeroLeads found 2 current-domain work email signals for Bert Holtappels. Compare company email patterns before reaching out.
Profile bio
About Bert Holtappels
Battery and green tech executive advisor with a proven track record in creating synergy between emerging technologies and business models in renewable energy, battery technology, analytics, and more.Author of and contributor to 31 patents in software-defined batteries, battery analytics, power electronic architectures, and telecommunication protocols.***Inventor of the Tanktwo Battery Operating System (TBOS) — the world's first AI-driven software-defined batteries. The software-defined, data-driven, API-like power management system changes the trajectory of electrification by enabling product designers to build custom battery solutions in any shape or form and for any application without reinventing the wheel.The company's 30 patents are built to provide innovative AI and security solutions for green technology. They support two critical aspects of battery technology essential in accelerating the clean energy transition: (1) AI and self-learning algorithms adapt to circumstances and optimize battery performance in real-time; (2) Security controls protect expensive and connected physical assets (i.e., Li-ion batteries) from cyberattacks.#batteries #battery #batterytechnology #batterymanagement #batterymanagementsystem #sustainability #batterypack #greentech #greentechnology #electrification #esg #decarbonization #softwaredefinedbatteries #cleantech #climatetech
Listed skills include Business Development, Mobile Communications, Mobile Technology, Mobile Devices, and 8 others.
Current workplace
Bert Holtappels's current company
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Self-Employed
14 roles · 31 years
Bert Holtappels work experience
A career timeline built from the work history available for this profile.
Executive Advisor
Current
Self-Employed
Battery and green tech executive advisor with a proven track record in creating synergy between emerging technologies and business models in renewable energy, battery technology, analytics, and more.
Jan 2024 - Present
Founder
CurrentAuthor of and contributor to 31 patents in software-defined batteries, battery analytics, power electronic architectures, and telecommunication protocols.Inventor of the Tanktwo Battery Operating System (TBOS) — the world's first AI-driven software-defined batteries.
Jul 2012 - Present
Chief Executive Officer
Tanktwo
Combining deep technology knowledge, leadership skills, and sales acumen to turn the vision of making electrification commercially viable at an unprecedented scale into reality.
Jul 2012 - Dec 2023
Head Of Nam Bd, Nokia Connected Entertainment
Head of North American business development for a incubation-mode business program ran alongside Nokia's mainstream business focusing on new forms of connected electronic consumer entertainment.
Dec 2009 - Jun 2012
Head Of Services Sales, North American Retail Channel
Sales Head North America for Nokia's consumer services brand.
Jan 2009 - Dec 2009
Head Of Nokia Consumer Services Gtm Portfolio, Americas
Head of Nokia's consumer services business launch (go-to-market) programs in North and South America.
Jan 2008 - Jan 2009
Global Head Of Sales Development, Nokia Multimedia
Head of a team of analysts and business developers whose task it was to crystallize and present clear value-based argumentation for the trade partners of Nokia's emerging Multimedia business unit. Nokia multimedia essentially created the smartphone category. The team was highly successful in driving B2B sales efficiency and drove the devices Average Sales.
Jan 2006 - Jan 2008
Sales Manager Ip Multimedia Applications Benelux & Germany
Responsible for the sales of Nokia Networks IP Multimedia networks to carriers in Germany, Belgium, the Netherlands and Luxemburg. Nokia's IP multimedia products comprise the IP Multimedia backbone system, Push-to-Talk over cellular, and Network Presence. Part of the small team that created the market and drove sales from zero to the market leading.
Jun 2004 - Jan 2006
Head Of Program Management, Nokia Pmr
Responsible for the management of the R&D Program Management team in the Nokia Professional Mobile Radio Business Unit. Established new product development processes, decision making models, performance metrics, and product investment management practices which drove the R&D performance, resource efficiency and cost+time to market predictability to before.
Jul 2000 - Jun 2004
Program Manager
Managed a large 10MEUR+ product development program comprising HW and SW for the Nokia Professional Mobile Radio business unit
Nov 1999 - Jul 2000
Project Manager, Rf Engineering
Project Managed Radio-Frequency development projects for Nokia's Professional Mobile Radio business unit.
Oct 1997 - Nov 1999
Jul 1996 - Oct 1997
Hardware Engineer, Philips Optical Storage
Philips Optical Storage
Developed and installed hardware solutions for the manufacturing of CD-recordable and rewritable drives for stand-alone products and computer drives.
1995 - Jul 1996
FAQ
Frequently asked questions about Bert Holtappels
Quick answers generated from the profile data available on this page.
What company does Bert Holtappels work for?
Bert Holtappels works for Self-employed.
What is Bert Holtappels's role at Self-employed?
Bert Holtappels is listed as Fractional CTO | Energy Storage and Battery Technology at Self-employed.
What is Bert Holtappels's email address?
AeroLeads has found 2 work email signals at @tanktwo.com for Bert Holtappels at Self-employed.
What is Bert Holtappels's phone number?
AeroLeads has found 3 phone signal(s) with area code 840, 212 for Bert Holtappels at Self-employed.
Where is Bert Holtappels based?
Bert Holtappels is based in Sunnyvale, California, United States while working with Self-employed.
What companies has Bert Holtappels worked for?
Bert Holtappels has worked for Self-Employed, Tanktwo, Nokia, Imec, and Philips Optical Storage.
Who are Bert Holtappels's colleagues at Self-employed?
Bert Holtappels's colleagues at Self-employed include Karel Holtappels.
How can I contact Bert Holtappels?
You can use AeroLeads to view verified contact signals for Bert Holtappels at Self-employed, including work email, phone, and LinkedIn data when available.
What skills is Bert Holtappels known for?
Bert Holtappels is listed with skills including Business Development, Mobile Communications, Mobile Technology, Mobile Devices, Telecommunications, Mobile Internet, Wireless, and Gsm.
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