Marcel Holtmann
Principal Engineer at Bluetooth SIG
Brunswick, Lower Saxony, Germany
Summary
🤩
Rockstar🎓
Top SchoolMarcel Holtmann is a Principal Engineer with 26 years of software engineering experience, based in Brunswick, Germany, and a long-tenured technical leader at Intel since 2007. He combines deep systems and driver expertise—demonstrated by hands-on Bluetooth USB and SCO audio work in open-source repos—with standards-level influence as a member of the Bluetooth SIG Architectural Review Board and former chair of its Internet Working Group. Marcel’s background spans enterprise and open-source environments (formerly at Red Hat), blending low-level protocol debugging with architectural guidance for wireless stacks. Known for tackling tricky driver suspend/resume and connection edge cases, he brings both meticulous problem-solving and standards-minded collaboration to complex connectivity challenges.
26 years of coding experience
2 years of employment as a software developer
Master's Degree, Computer Science, Master's Degree, Computer Science at Universität Bielefeld
German, English
Github Skills (19)
compiler-errors10
qemu10
usb10
bluetooth-le10
c1110
c1710
kernel10
linux-device-driver10
warnings10
kernel-mode10
bluetooth10
virtualization10
system-programming9
abstraction-layer9
btle9
Programming languages (5)
Github contributions (5)
jonsmirl/mpc5200
Aug 2005 - Jul 2010
Digispeaker
Role in this project:
Back-end Developer
Back-end DeveloperContributions:273 commits in 5 years
Contributions summary:Marcel primarily contributed to the Bluetooth subsystem, focusing on driver-level modifications and enhancements. Their work involved adding and improving suspend/resume support for Bluetooth USB devices, handling SCO audio, and addressing issues with connection establishment. They also implemented fixes for various Bluetooth-related warnings and bugs. The user's commits demonstrate a deep understanding of Bluetooth protocol internals and USB device interactions.
mer-packages/connman
Dec 2007 - Aug 2015
Contributions:2593 commits in 7 years 9 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.