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Seamus Hillery

B2B Sales·Systems Builder·Growth Strategist
B2B Sales    Sales Operations    Revenue Systems
What drives my work
I look for market inefficiencies — gaps where businesses are leaving money on the table.
$864K Lost annually per business · missed phone calls
85% Of callers won't call back after one miss

Experience

04 ROLES

B2B sales and systems builder. I find where revenue leaks — missed calls, slow follow-up, friction in the buying process — and ship the system that closes the gap.

Lead Developer

JUL 2025 — DEC 2025

Musketeer Development LLC · Self-directed venture · AI revenue systems

  • Built and shipped automated revenue systems end-to-end for small businesses — lead capture, ROI tooling, and outreach infrastructure.
  • Engineered AI systems using RAG architecture and vector databases, integrating Slack, Airtable, and HubSpot.
  • Ran competitive research and built targeted outreach sequences to identify and qualify high-intent business owners.
  • Designed the full system portfolio independently: lead-generation engine, ROI calculator, AI sales coach, and content tooling.

Member Services Associate

DEC 2025 — JUN 2026

Platinum Fitness · East Amherst, NY

  • Manage front-desk operations including member check-ins, facility upkeep, and daily opening and closing procedures.
  • Convert walk-in prospects into new memberships through one-on-one conversations and a consultative, low-pressure sales approach.
  • Build ongoing relationships with a close-knit member base, creating a welcoming environment that improves retention.

Marketing Intern

FEB — MAY 2025

Brew & Bond Coffee

  • Created content to grow brand awareness and educate beginners on home coffee brewing.
  • Monitored social media analytics and adjusted posting strategy to improve reach and engagement.
  • Maintained a consistent brand voice across platforms as part of a small team.

Sealer & Truck Driver

SUMMER 2024 — 2025

Autumn Paving, Inc. · Amherst, NY

  • Applied sealant to pavement surfaces ensuring quality finish on residential and commercial jobs.
  • Operated company trucks to transport materials safely across job sites.
  • Completed projects under tight deadlines as part of a fast-moving field crew.

Education

Xavier University

AUG 2024 — MAY 2025

Marketing  ·  Cincinnati, OH

  • Studied marketing principles, consumer behavior, and brand strategy.
  • Dean's List, Second Semester.
  • Live pitch to a business owner — Xavier University.

University at Buffalo

AUG 2025 — DEC 2025

Buffalo, NY

  • On an intentional leave to avoid additional student debt; will return to study Professional Selling & Communications, funded in full.