About Us

We’re a team of engineers who got tired of watching companies wrestle with Oracle like it’s a wild animal. So we built a place that cuts through the noise and teaches what actually works.

Teamwork & Education

Hana handles performance, MJ owns uptime, Eli secures everything with a skeptical eyebrow. Our mission is simple: help you run Oracle without losing your sanity.

Marcus “MJ” Johnson

Uptime Wizard

Focus areas: Data Guard zero-downtime design, multitenant consolidation at scale, core Oracle architecture & platform migrations.

Eli Rosenbaum

CEO of ODM

Eli is the academic who didn’t stay in the ivory tower: he consults for enterprises on weekends and teaches Oracle internals during the week.

Dr. Hana Saito

Principal Database PE

Hana lives in the performance trenches. She’s the person big banks call when their queries slow down and their executives start pacing.

See what others say!

Read our latest courses reviews

Their guidance saved us weeks of trial-and-error. The clarity and depth they bring to Oracle architecture is on another level.

Derrick Lawson

Director of IT Operations

Hana, MJ, and Eli cut through Oracle problems faster than any team we’ve worked with. Their training finally explained what our monitoring tools were trying to tell us.

Rita Delgado

Senior Database Administrator

These three don’t waste your time. Every session came with practical steps we used the same day. Our performance issues and failover gaps finally made sense.

Colin Price

Lead Infrastructure Architect

Smart, direct, and easy to learn from. They’ve clearly lived through the same production headaches we deal with, and it shows in how they teach.

Shanice Patel

Engineering Manager

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