Dennis Brenndoerfer
Interim CTO
Experience
Sep 2023 - Present
1 year 11 monthsInterim CTO
Automobilzulieferer
- Responsible for building an independent IT department as part of an IT carve-out across four legal entities in DE/UK/China
- Drafted an IT requirements specification and tendered IT service contracts
- Launched an IT digitization project (migrated the company to Cloud M365 including MS Teams + telephony/SharePoint)
- Established IT operations according to ITIL and ensured stable IT infrastructure operations
- Implemented cost efficiency measures
Aug 2023 - Dec 2023
5 monthsInterim COO
FTTH-Bauunternehmen
- Conducted due diligence of the NE3 business unit and identified structural deficiencies
- Implemented structural measures to improve quality
- Introduced a central escalation management system
- Developed new framework and individual works contracts (for subcontractor engagement) and implemented contract management including digitization with DocuSign
- Launched an IT digitization project (migrated the company to Cloud M365 including MS Teams/SharePoint)
- Advised management on all crisis management issues
- Recruited external site managers and working students
May 2023 - Jul 2023
3 monthsInterim Agile Lead / Change Manager
Internationaler Telekommunikationsanbieter
- Drove the transformation to an agile organization
- Defined the roadmap for implementing the transformation
- Supported program management and stakeholders in understanding and applying an agile approach to complex tasks
- Developed concrete improvement measures for agile ways of working, planned and coordinated their implementation
- Created a framework for measuring, reporting, and tracking agile activities
- Managed transformation work to ensure on-time delivery, quality, and added value
Sep 2022 - Jul 2023
11 monthsAngel Investor and Consultant
living brain GmbH
- Supported as an angel investor and consultant with expertise in general management and organizational development
- Led the backend development project through an external nearshore partner
- Worked on business development and sourcing strategies for national and international supply chains
Jan 2022 - Jun 2022
6 monthsAngel Investor and Consultant
GarantieHeld UG
- Supported as an angel investor and consultant with expertise in business development (e.g. B2B, B2C, UX/CX)
- Served as a sparring partner for the founders, especially in general management, business planning, recruiting, and stakeholder management
- Successfully organized the pre-seed funding round as lead investor (mentoring on business design and planning, pitching, and investor acquisition)
Feb 2021 - Dec 2021
11 monthsVice President
Deutsche Telekom IoT GmbH
- Responsible for IoT customer success management with a focus on developing the existing customer business
- Restructured and transformed traditional service management into customer-centric customer success management focused on customer experience
- Project focus: sustainable customer retention and revenue growth
Jan 2019 - Jan 2021
2 years 1 monthVice President
T-Systems International GmbH
- Responsible for international delivery of IoT products with a focus on customer experience
- Managed customer onboarding through professional project management, operations, service, and quality assurance, fostering long-term customer relationships
- Project focus: personnel restructuring in a company-wide reorganization and identification and outsourcing of non-core activities (nearshore/offshore) in collaboration with subsidiaries in CEE and APAC
Oct 2017 - Dec 2018
1 year 3 monthsVice President
T-Systems International GmbH
- Responsible for design, prototyping, development, and operation of IoT products/services with a focus on user experience and meeting customer requirements
- Introduced a cross-functional agile organization as part of a company-wide restructuring, including defining new role profiles and coordinating with the works council
Jan 2016 - May 2017
1 year 5 monthsVice President
Deutsche Telekom AG
- Strategically shaped, sold, developed, and operated the Business Unit Mobile Payment & mCommerce Solutions
- Represented Deutsche Telekom on mobile payment topics at the GSMA
- Discontinued the product and conducted a socially responsible personnel restructuring due to a strategic corporate decision
May 2015 - Sep 2017
2 years 5 monthsVice President
Deutsche Telekom AG
- Responsible for developing and building an organization that allows teams to flexibly scale in size and capability
- Applied agile principles in governance and design as a blueprint for reorganizing Telekom’s innovation division (including works council negotiations)
Nov 2014 - Mar 2015
5 monthsSenior Vice President Product Design
Deutsche Telekom AG
- Held interim responsibility for the design of all products and the design portfolio of the Telekom Group, including industrial design, interaction design, colors, materials, and image design
- Took on short-term responsibility, learned a completely new field, and initiated design projects (e.g. redesign of the representative Innovation Gallery at the Telekom headquarters)
Apr 2013 - Apr 2015
2 years 1 monthVice President
Deutsche Telekom AG
- Responsible for restructuring the online marketing department of the Products & Innovation executive area into a project-oriented business, product, and network support group
- Project focus: personnel restructuring as part of a company-wide reorganization
Jul 2011 - Apr 2015
3 years 10 monthsVice President
Deutsche Telekom AG
- Responsible for building and expanding the supplier management landscape and implementing a nearshore outsourcing strategy for the Products & Innovation executive area
- Evaluated, selected, and maintained strategic suppliers and service providers
- Implemented further nearshore activities through a strategic international partner in CEE
- Project focus: personnel restructuring as part of a company-wide reorganization
Jan 2010 - Jun 2011
1 year 6 monthsHead of Region
T-Systems International GmbH
- Responsible for all operating system services departments of T-Systems subsidiaries in the WE/CEE region within the Global Delivery Unit
- Project focus: personnel restructuring as part of a company-wide reorganization and identification and outsourcing of non-core activities through nearshore/offshore collaboration with subsidiaries in CEE and APAC
Mar 2006 - Dec 2009
3 years 10 monthsMember of the Management Board
T-Systems Slovakia s.r.o.
- Established and led the nearshore operation for monitoring and system administration of enterprise server solutions, data (storage and backup), and network/firewall infrastructure
- Project management
- Recruiting
- Organizational and leadership development and employee retention
Languages
German
AdvancedEnglish
AdvancedSlovak
AdvancedChinese
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