Attioexpert.Automationbuilder.Systemsthatactuallywork.
I help fast-growing teams migrate to Attio, build AI powered workflows, and connect their stack — Make, Zapier, n8n, Clay, Segment, and custom APIs — so operations run cleanly without the manual overhead.
About
The person behind the system
I'm Carsten — an Attio CRM specialist and automation expert with 5+ years building workflows, integrations, and backend systems for fast-growing startups and agencies.
I specialize in Attio: migrations from HubSpot and legacy CRMs, custom pipeline design, AI-powered contact enrichment, and deep integrations with tools like Clay, Make, Zapier, n8n, and Segment. I've helped teams automate follow-ups, sync data across their entire stack, and build sales operations that scale cleanly.
Beyond Attio, I handle the full automation layer — lead routing, internal workflows, API connections, and AI-assisted processes. I understand both the technical side and the business logic behind it, which means systems get built right the first time.
0+
Attio migrations
0+
work hours saved
0+
years experience
Services
What I can help you build
Tools I work with
Selected Work
Problems solved, systems built
Attio CRM Migration for a Fast-Growing Startup
Migrated a $40M Series B funded startup from a legacy CRM to Attio with zero downtime and a full automation layer built from day one.
Problem
The team had outgrown their legacy CRM — messy data, no automation, and a sales process that relied entirely on manual work. They needed a clean move to Attio without disrupting an active pipeline.
Solution
Handled the full migration: data cleaning, field mapping, pipeline design, and custom object setup in Attio. Built Segment integration for real-time product data sync and layered in Make workflows for automated follow-ups and lead routing.
Outcome
Zero downtime during the migration. The team moved to Attio with a fully operational automation layer from day one — no manual cleanup, no lost records, no disruption to the sales process.
AI-Powered Lead Enrichment Pipeline
Built a Clay + Attio enrichment pipeline that automatically scores, enriches, and routes inbound leads without any manual input.
Problem
Sales reps were spending hours manually researching leads before outreach. Enrichment was inconsistent, coverage was low, and high-intent leads weren't getting prioritized.
Solution
Built a Clay pipeline that pulls inbound leads, enriches with company data, job titles, and intent signals, then pushes structured records into Attio with scores and routing logic applied automatically.
Outcome
Lead research time dropped to near zero. Reps started outreach with fully enriched records and cleaner prioritization — more time selling, less time on manual data work.
Partner Integration Flow Contributing to $40M Series B
Built automated CPL and SQL lead integration workflows that became part of the infrastructure behind a $40M Series B raise.
Problem
Partner-sourced leads were being processed manually — slow handoffs, inconsistent data quality, and no reliable way to track partner attribution through the funnel.
Solution
Built automated intake workflows for CPL and SQL leads from partner sources, with validation logic, deduplication, CRM routing, and attribution tracking at each step.
Outcome
Partner lead processing became fully automated and reliable. The system directly supported the company's growth story heading into their Series B — clean attribution, clean data, clean pipeline.
500K User Record Migration to Segment CDP
Led the migration of 500,000+ user records to Segment CDP with no downtime and full data integrity maintained throughout.
Problem
The company needed to move its entire user data infrastructure to Segment CDP to unlock better analytics and downstream integrations. The risk: disrupting live product tracking and analytics during the move.
Solution
Planned and executed a phased migration with parallel tracking during the transition period, data validation at every step, and rollback logic in place before any cutover happened.
Outcome
500K+ records migrated without downtime. All downstream integrations — analytics, CRM, marketing tools — continued working throughout. Zero data loss, zero disruption to the product.
Process
How I work
Understand the workflow
Before touching anything, I review the current process end-to-end. What tools are involved, where data moves, what breaks, and what the team actually needs.
Map the system
I figure out what should happen, where data should go, and what logic needs to be automated. This step avoids building the wrong thing.
Build and test
I set up the workflow, build the logic, and test it across real scenarios — not just the happy path. Edge cases get handled before they become problems.
Refine and support
Once live, I clean up anything that needs adjusting, document the system, and provide support for changes as the business evolves.
Why work with me
Built for teams that need it done right
I'm usually the best fit for teams that already know they have workflow problems and want someone who can both figure out what's wrong and build the fix — without turning it into a months-long project.
I focus on systems that are useful in real business operations. Less patchwork, less manual follow-up, and fewer things slipping through the cracks.
Deep Attio expertise
10+ Attio migrations and counting. I know the platform inside out — from object modeling and pipeline logic to native automations and complex Segment or Clay integrations.
Real delivery track record
I've saved teams 500+ work hours through automation, contributed to a $40M Series B by building partner integration flows, and migrated 500K+ user records without downtime.
End-to-end ownership
I don't hand off half-finished work. I own the problem from diagnosis through deployment and make sure it actually solves what it was built to solve.
No unnecessary complexity
I build what's needed, not what's impressive. Clean, maintainable systems your team can actually understand — and that hold up when things get messy.
Contact
Let's build something better
If you need help cleaning up your workflows, connecting your tools, or building automations that actually make day-to-day work easier — let's talk. I take on a limited number of projects at a time, so reach out early.
Usually responds within 24 hours — open to project-based and ongoing work