David Valentine.

Execution Engineer · Technology & Operations← Back to gardendavidvalentine.org / résumé
ROOT · RÉSUMÉ · four growth rings

The Growth Rings.

Over a decade of growing and building.

2021–now

Execution Engineer — Independent

Technology · Operations · AI Systems

Building a personal technology & operations practice across AI workflows, digital-garden architecture, resume systems, and career systems. Durable knowledge, automation, and human judgment — compounding over time.

AI WorkflowsDigital GardenSystem DesignCareer Ops
2023–25

Revenue Operations — Doxy.me

RevOps · Stripe · HubSpot · Segment · Snowflake

Owned revenue-operations systems across billing, lifecycle messaging, usage-based revenue, analytics, and customer-data integrity. Helped mature RevOps governance across Stripe, HubSpot, Intercom, Segment, Tray.io, Snowflake, and Sigma — documenting sources, locking down access, and stabilizing trusted reporting. Lifted dunning recovery ~65% → 73%, supporting $1.37M recovered; dropped operational cost $300k/yr.

RevOpsHubSpotStripeSegmentData IntegrityDunning
2020–23

CS Operations — Doxy.me

Customer Operations · Intercom · CRM Hygiene

Scaled customer operations through hypergrowth to 1M+ providers — Intercom, automation, routing, help-center systems, CRM hygiene, and lifecycle communications. Supported 3M+ automated conversations and 6M+ outbound messages; CSAT 74% → 85%. Operationalized >$100k/month usage billing.

CS OpsIntercomCRM HygieneWorkflow Automation
pre-2020

Ecommerce & Operations — independent

Early Operations · CX · Process

Built early operational judgment through ecommerce, customer communication, and automation. Practical instincts for CX, tooling, and systemized execution. The heartwood: narrow but load-bearing.

EcommerceCustomer OpsProcessZendesk
each ring is a chapter
Digital Garden