I don't just hand you more reports. I build the engine that keeps turning the data into insight.
I'm Bryan Duffin, a data engineer, analyst, and marketing intelligence consultant with 15 years across marketing and data. I've run growth for startups, managed hundreds of millions in ad dollars, and led DataOps and GTM analytics for enterprise companies. I build the pipelines, models, and reporting systems that turn raw data into a perpetual insight engine.
Work that moved a number
Each case below opens with a business question and closes with a decision.
Identity resolution
The same identity-resolution work looked different at two scales. For one business, it unified nearly 50,000 identities from fragmented contact records. For a global enterprise, a probabilistic layer connected 98% of the pipeline value missing from the CRM.
Attribution
For one business, moving attribution into the warehouse lifted the monthly won-deal rate 53.4%. For an enterprise funnel, the same shift moved budget out of reach campaigns and into search, where it actually earns its credit.
Value-based bidding
A BQML model scores each lead by predicted value across roughly 1,100 learned feature categories, so Google's bidder optimizes toward that value instead of raw lead counts. Switching to value-based bidding grew one business's monthly revenue rate by nearly 60%.
Not a comprehensive list. These are the tools I use most often.
- warehouse & modeling
- [ bigquery ][ snowflake ][ redshift ][ azure synapse ][ sql ][ dbt ]
- ai & development
- [ bqml ][ cursor ][ custom apps ][ python ]
- bi & reporting
- [ tableau ][ looker studio ][ power bi ][ custom react dashboards ][ sheets ]
- analytics & tagging
- [ ga4 ][ gtm ][ adobe analytics ][ search console ][ consent management ]
- paid media
- [ google ][ meta ][ display ][ youtube ][ linkedin ][ bing ][ mobile app ]
- engineering
- [ cloud functions ][ fivetran ][ pub/sub ][ git ]
Fast, relevant insight, on tap for as long as the business keeps asking questions.
I build the systems that get your team from question to decision faster, and feed what they learn straight back into the ad platforms running your budget.