Database Brilliance: 19 Elite MySQL Developers to Know

MySQL continues to power some of the world’s most demanding applications — from global e-commerce and social platforms to fintech and analytics systems.
Behind this reliability and performance is a vibrant community of developers who have shaped the evolution of MySQL through hands-on coding, open-source tools, community leadership, and real-world performance tuning. This list highlights 19 of the most influential MySQL developers active in 2024–2025 — from legendary engineers and core contributors to rising stars building next-gen tooling. Each has been selected for their impact across areas like core development, scalability innovation, high availability, community advocacy, and open-source excellence.
- Michael “Monty” Widenius
- Morgan Tocker
- Mark Callaghan
- Yoshinori Matsunobu
- Jeremy Cole
- Domas Mituzas
- Shlomi Noach
- Frédéric Descamps
- Brian Aker
- Sheeri K. Cabral
- Giuseppe Maxia
- René Cannaò
- Jean-François Gagné
- Valerii Kravchuk
- Zhai Weixiang
- Laurynas Biveinis
- Sugu Sougoumarane
- Marc Delisle
- Ronald Bradford
Now, let’s dive into each of these experts’ backgrounds:
Michael “Monty” Widenius

Nationality: Finnish
Often called the “father of MySQL,” Monty is the main author of the original MySQL database and co-founder of MySQL AB.
He later forked MySQL to create MariaDB, ensuring open-source innovation continued. Monty’s decades of database hacking and his role as MariaDB’s CTO have cemented his status as a MySQL legend. He’s the go-to guru for anything MySQL, known for sharing candid insights (and even the occasional Finnish cocktail story) at conferences.
- LinkedIn: Michael “Monty” Widenius
- Twitter: @montywi
- Website/Blog: monty-says.blogspot.com
Morgan Tocker
Nationality: New Zealander
Morgan has been a key MySQL community voice and product guy.
He was MySQL’s Community Manager at Oracle, running outreach and education programs (and even co-created the “MySQL Tuesday” podcast). Morgan also developed the MySQL “sys” schema – a handy collection of views and functions for performance diagnostics. After Oracle, he joined HubSpot and later PlanetScale, staying close to the tech. Morgan is known for his approachable teaching style, whether through blog posts breaking down new MySQL features or in-person workshops. He even won a MySQL Community Award in 2015 for his contributions. If you’ve read a MySQL 5.7 tutorial or used the sys schema, you’ve likely benefited from Morgan’s work. He’s the epitome of someone who bridges the gap between MySQL’s developers and its users.
- LinkedIn: Morgan Tocker
- X (Twitter): @morgo
- GitHub: morgo
- Website/Blog: Morgan T.
Mark Callaghan
Nationality: American
Mark led the legendary MySQL engineering teams at Google and Facebook, pushing MySQL far beyond its original limits.
With 15+ years as the MySQL tech lead at those companies, he built and scaled MySQL implementations that power massive web services. Mark’s deep knowledge of InnoDB internals and performance tweaks is unmatched – he’s fixed countless bottlenecks in the guts of MySQL. Nowadays he runs Small Datum consulting, but he’s still the go-to guy for InnoDB, RocksDB, and all things “make MySQL faster.” If MySQL had an Avengers, Mark would be on the team for sure.
- LinkedIn: Mark Callaghan
- Twitter: @markcallaghan
Yoshinori Matsunobu
Nationality: Japanese
Yoshinori is the brains behind MyRocks, Facebook’s open-source MySQL storage engine that uses RocksDB.
A long-time MySQL veteran (previously a consultant at MySQL Inc.), he joined Facebook to tackle their MySQL scalability issues. There, he created MyRocks and improved replication and efficiency for billions of users. Yoshinori has also authored handy tools like MHA for MySQL failover. In the MySQL world, he’s the quiet super-engineer making MySQL handle massive workloads. He freely shares his lessons learned from running MySQL at scale (check out his conference talks if you want your mind blown by performance stats!).
- LinkedIn: Yoshinori Matsunobu
- Twitter: @matsunobu
Jeremy Cole
Nationality: American
Jeremy is a pioneer of MySQL scalability and a self-described “MySQL geek.”
He was employee #14 at MySQL AB and later coined the title “MySQL Geek” at Yahoo, where he tamed thousands of MySQL servers. Jeremy co-founded Proven Scaling (a MySQL consulting company) and led DBA teams at Twitter and Google. He’s known for digging into InnoDB internals and even created open-source tools to visualize and fix InnoDB issues. If you’ve ever used the InnoDB “persistent stats” hack – that was Jeremy. Now at Google, he’s still making MySQL more awesome every day.
- LinkedIn: Jeremy Cole
- Twitter: @jeremycole
- GitHub: jeremycole
- Website/Blog: blog.jcole.us
Domas Mituzas
Nationality: Lithuanian
Domas is a mythical figure in MySQL circles, known for scaling Wikipedia’s databases in the 2000s and then keeping Facebook’s MySQL infrastructure humming through explosive growth.
He started as a volunteer Wikipedia hacker and became a MySQL performance specialist at the Wikimedia Foundation, then at Facebook. Domas has a talent for finding and fixing weird bottlenecks (earning him the self-title “small data artisan”). He’s been a MySQL Community Award winner and is famous for his witty, insightful blog posts on squeezing the most out of MySQL. In short, Domas is the guy you call when your MySQL server is on fire – he’s probably seen it (and fixed it) before.
- LinkedIn: Domas Mituzas
- X (Twitter): @mituzas
- Website/Blog: dom.as
Shlomi Noach
Databases are like airplanes: they’re safest when boring.
Nationality: Israeli
Shlomi is the author of popular MySQL open-source tools like Orchestrator (for replication topology management) and gh-ost (online schema migrations).
An Oracle ACE Director and MySQL Community Award winner, Shlomi has a reputation for solving hairy replication problems. He worked at Outbrain and GitHub as a database engineer, where he implemented robust high-availability solutions. Shlomi’s blog “openark” is a goldmine of MySQL tips and hacks. He’s the kind of guy who’ll casually drop a new open-source tool to make DBAs’ lives easier and then give conference talks about its internals. A true MySQL community champion who shares knowledge freely.
- LinkedIn: Shlomi Noach
- X (Twitter): @ShlomiNoach
- GitHub: shlomi-noach
- Website/Blog: code.openark.org/blog
Frédéric Descamps
Nationality: Belgian
An official MySQL Evangelist at Oracle (known by his handle “lefred”), Frédéric has been tirelessly promoting MySQL and assisting users since he joined Oracle’s MySQL community team in 2016.
He is a frequent speaker at open-source conferences and manages MySQL projects (like MySQL InnoDB Cluster) and community events. Frédéric was recognized as a MySQL Community Contributor of the Year in 2014. He shares tips on his blog “LeFred: tribulations of a MySQL Evangelist” and helps bridge communication between MySQL developers and users.
- LinkedIn: Frédéric Descamps
- X (Twitter): @lefred
- GitHub: lefred
- Website/Blog: lefred.be
Brian Aker
Nationality: American
Brian was the Director of Architecture at MySQL AB and later spearheaded the Drizzle project (a slimmed-down MySQL fork).
He’s an open-source hacker at heart, with contributions spanning MySQL storage engines, memcached, Gearman, and Slashdot’s database backend. After MySQL was acquired by Sun, Brian led a research group and continued to innovate on database technology. He is known for pushing MySQL in new directions – from adding user-defined functions in the 4.x days to envisioning cloud-friendly DBMS with Drizzle. These days, you might find Brian at database conferences wearing his trademark cowboy hat, advocating for open data and hacking on the next big thing in storage engines.
- LinkedIn: brianaker
- X (Twitter): @brianaker
- GitHub: brianaker
Sheeri K. Cabral
Nationality: American
Sheeri is a longtime MySQL community evangelist and was the first Oracle ACE Director for MySQL.
She co-founded the Boston MySQL User Group and co-hosted the OurSQL podcast, making MySQL knowledge fun and accessible. As a DBA at Pythian and later at Mozilla and Salesforce, Sheeri earned a reputation for solving tough database problems and explaining them in plain language. She’s also an author (co-wrote the MySQL Administrator’s Bible) and a frequent conference speaker. With her friendly, enthusiastic style, Sheeri has mentored countless MySQL DBAs. The MySQL world wouldn’t be the same without her community contributions and knack for bringing people together.
- LinkedIn: Sheeri K. Cabral
Giuseppe Maxia
Nationality: Italian
Known as “The Data Charmer” in the community, Giuseppe is a MySQL veteran who has worn many hats: developer, QA engineer, evangelist – you name it.
He created MySQL Sandbox/dbdeployer, a tool that makes deploying MySQL test servers a breeze. Giuseppe worked at MySQL AB, Sun, Oracle, and later at VMware, always focusing on improving database tooling and automation. He’s an active open-source contributor (in MySQL and MongoDB realms) and a fixture at MySQL events, known for his creative demos. With decades of experience, Giuseppe has a knack for finding clever solutions to tricky problems (and an affinity for using Perl and Go to build his tools). If you’ve played with test instances or replication topologies easily, you might have Giuseppe to thank.
- LinkedIn: Giuseppe Maxia
- X (Twitter): @datacharmer
- GitHub: datacharmer
- Website/Blog: datacharmer.blogspot.com
René Cannaò
Nationality: Italian
René is the creator of ProxySQL, the popular high-performance MySQL proxy.
As a former MySQL DBA at large firms (Dropbox, etc.), he saw the need for better query routing and load balancing, so he built ProxySQL as a labor of love in 2013. It quickly became a must-have tool for MySQL HA deployments. René eventually founded a company around ProxySQL but remains deeply technical – he’s often found on forums and Slack helping users optimize their ProxySQL configs. He’s a frequent speaker at MySQL conferences, sharing tips on scaling out with proxies. In short, René’s work enables MySQL to handle huge traffic gracefully, and he’s generously sharing that knowledge with the community.
- LinkedIn: René Cannaò
- X (Twitter): @rene_cannao
- GitHub: sysown
- Website/Blog: proxysql.com/blog
Jean-François Gagné
Nationality: Canadian
“JF” Gagné is a MySQL replication and scalability expert with a competitive programming background.
He spent years at Booking.com tackling replication bottlenecks and then scaled MySQL at MessageBird. JF is famous for his in-depth blog series analyzing MySQL parallel replication – he’ll benchmark a feature across versions and share all the juicy details. He’s also known for breaking down complex failover scenarios (like the ins and outs of semi-sync replication). The community recognized JF’s contributions with a MySQL Community Award in 2018. When it comes to understanding and improving MySQL replication, JF is one of the best. (Plus, he’s super friendly in person – always happy to discuss GTIDs or binlogs over a beer.)
- LinkedIn: Jean-François Gagné
- X (Twitter): @jfg956
- GitHub: jfg956
- Website/Blog: jfg-mysql.blogspot.com
Valerii Kravchuk
Nationality: Ukrainian
Valerii is affectionately known as the “MySQL Entomologist” for his dedication to bug analysis.
A former MySQL Support engineer at Oracle, and now a Principal Engineer at MariaDB, he has been hunting MySQL/MariaDB bugs since 2005. Valerii shares his findings on his blog, often posting “Fun with Bugs” reports where he dissects recent bug reports and obscure issues. He was awarded MySQL Community Contributor of the Year in 2019 for his efforts. If you’ve ever benefited from a MySQL bug fix in the last decade, chances are Valerii’s detailed bug reports helped make it happen. He’s also active on forums and Twitter (under the handle @mysqlbugs), making the MySQL world more stable one bug at a time.
- LinkedIn: Valerii Kravchuk
- X (Twitter): @mysqlbugs
- Website/Blog: mysqlentomologist.blogspot.com
Zhai Weixiang
Nationality: Chinese
Zhai is one of the rising stars of the MySQL world from China.
He was a Senior MySQL developer at Alibaba and then Tencent, where he worked on the “AliSQL” branch of MySQL and other kernel improvements. Zhai’s expertise spans query optimizers to replication – he’s contributed patches that significantly improve MySQL’s performance and reliability. In 2019, he was recognized as a MySQL Community Contributor of the Year for his work. He’s also known for mentoring others (and for active posts on MySQL internals forums). With an ACM-ICPC style problem-solving mindset and deep database knowledge, Zhai represents the new generation of MySQL hackers making their mark on the open-source project.
- LinkedIn: weixiang-zhai-444a28a4
- X (Twitter): @zhaiwx1987
Laurynas Biveinis
Nationality: Lithuanian
Laurynas is a performance aficionado and one of the most prolific individual MySQL code contributors in recent years.
As a lead engineer at Percona, he focused on InnoDB and indexing optimizations. Laurynas has submitted dozens of patches to MySQL (84 commits in MySQL 8.0 alone!). His deep technical expertise in storage engines (especially InnoDB and MyRocks) and relentless bug-fixing earned him a MySQL Rockstar Award in 2024. He also writes the “Of Code and MySQL” blog, sharing insights from his development journey. If you enjoy a faster or more stable MySQL 8.x, Laurynas’s behind-the-scenes contributions are likely a big reason – he’s continuously improving the MySQL codebase from the inside.
- LinkedIn: Laurynas Biveinis
- X (Twitter): @kastauyra
- GitHub: laurynas-biveinis
Sugu Sougoumarane
Nationality: Indian
Sugu is the co-creator of Vitess, the sharding middleware that powers YouTube’s massive MySQL deployment.
At YouTube, Sugu helped design Vitess to split MySQL across thousands of nodes, enabling YouTube to scale without switching off MySQL. He’s now the CTO and co-founder of PlanetScale, where he’s bringing the power of Vitess to the masses as a managed service. Sugu’s strength lies in distributed databases – he’s effectively turned MySQL into a globally scalable, cloud-native datastore. Despite operating at the cutting edge, Sugu remains a hands-on coder (check out the Vitess GitHub, you’ll find his commits). He’s proof that you can take MySQL to internet-scale and beyond with enough vision and engineering savvy.
- LinkedIn: Sugu Sougoumarane
- X (Twitter): @ssougou
- Website/Blog: sougou.io
Marc Delisle
Nationality: Canadian
Marc is the longtime lead developer of phpMyAdmin, the ubiquitous web-based MySQL administration tool.
He has been maintaining and improving phpMyAdmin since the early 2000s, enabling millions of developers and students to interact with MySQL through a browser. Marc’s work lowered the barrier to entry for MySQL dramatically – many people had their first MySQL experience through phpMyAdmin. He’s also an author of the official phpMyAdmin tutorial book. Marc might not be a MySQL server hacker, but his impact on the MySQL ecosystem is huge: he made MySQL accessible to those who aren’t command-line gurus. Under Marc’s stewardship, phpMyAdmin remains a critical tool in the LAMP stack and a shining example of open-source success in the MySQL world.
- X (Twitter): @MarcDelisle1
Ronald Bradford
Nationality: Australian
Ronald is a MySQL OG – a consultant, speaker, and author who has been evangelizing best practices for well over a decade.
He earned MySQL Community Member of the Year and is an Oracle ACE Director. Ronald authored the Effective MySQL series of books, drilling into topics like optimization and replication with practical advice. As a consultant, he’s helped enterprises design performant MySQL architectures and was an early advisor on adopting cloud solutions for MySQL. Ronald is also known for his engaging conference talks (often peppered with war stories from real deployments). In the community, he’s the respected elder statesman – always ready to share knowledge on how to do MySQL “right,” whether via his blog, books, or a friendly chat at events.
- LinkedIn: ronaldbradford
- X (Twitter): @ronaldbradford
- GitHub: ronaldbradford
- Website/Blog: ronaldbradford.com
Wrap Up
These legends represent exceptional talent, making them extremely challenging to headhunt. However, there are thousands of other highly skilled IT professionals available to hire with our help. Contact us, and we will be happy to discuss your hiring needs.
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