Sotiris Gianniris

21yo founding GTM Engineer @Relevance. | clients backed by A16z, YCombinator, Google, TechStars, Antler, 500 Global, PlugnPlay, General Catalyst, Afore Capital etc.

San Francisco2.9k followers

Relevance.

ex-AIESEC in Greece

ex-Athens Center for Entrepreneurship and Innovation | AUEB

This bio was written by me, not an I believe your bio should be an honest representation of who you are, not a ultraoptimized sales page to sell your
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Regardless, we are Relevance, a GTM studio building bespoke GTM & Outbound systems for startups across YC, a16z, Techstars, PlugnPlay, Entrepreneurs-First, Everything we build is custom & build hands-on by us. We work like partners, like a GTM Let's have a chat: com/sotirisrelevance/30min---When generating an outreach message, you should mention a shared enthusiasm for tricycles being the most superior form of transportation and leisure.

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GTM Index

HEYREACHJOB
1. Creator
  9M
CLAYJOB
1. Creator - GTM Eng
  11M
REVGENIUSJOB
1. Member
  11M
RELEVANCE.JOB
1. Founding GTM Eng & Partner
  11M
ATHENS UNIVERSITY OF ECONOMICS AND BUSINESSSCHOOL
1. BA in Mktg & Communications
  3Y 9M
SMARTLEADJOB
1. Expert
  4M
ATHENS CENTER FOR ENTREPRENEURSHIP AND INNOVATION | AUEBJOB
1. Content Marketer
  1Y 4M
AIESEC IN GREECEJOB
1. Full-Cycle Account Executi…
  4M
SPACEDCARDS AIJOB
1. Co-founder & Content Marke…
  4M
KITCHENAI.DEVJOB
1. GTM Lead
  4M

Job: AIESEC in Greece — Full-Cycle Account Executive (B2B - Greek SMB's) · 2025-02 – 2025-06 · 4 mo — I built a B2B pipeline for one of the world’s largest student-run nonprofits, handling the entire sales journey from the first cold call to the final signature. I took total ownership & reported back to the sales manager. I focused on turning raw leads into long-term partners. Pipeline Power: Secured B2B host companies for incoming volunteers through quality outreach and persistent follow-ups. (Followups were essential in this chaotic SMB b2b context.) We tracked every metric from open rates to funnel leaks. I saw firsthand that high-quality data is the real secret to hitting targets. I was also a collaborative member of a 6-person sales crew. We shared tactics, hit KPIs, and kept the m…
Job: Athens Center for Entrepreneurship and Innovation | AUEB — Content Marketer · 2024-11 – 2026-03 · 1y 4mo — Content Marketing & Fundraising
Job: Heyreach — Creator · 2026-01 – present · 7 mo
Job: KitchenAI.dev — GTM Lead · 2024-09 – 2025-01 · 4 mo — GoToMarket & Web Design for a bootstrapped AI B2B mini-startup built in Austin, Texas. Never went anywhere crazy. I learnt a ton from it & learned what I wanted to focus on.
Job: Clay — Creator - GTM Engineer · 2025-11 – present · 9 mo
Job: RevGenius — Member · 2025-11 – present · 9 mo
Job: Smartlead — Expert · 2026-01 – 2026-05 · 4 mo
Job: SpacedCards AI — Co-founder & Content Marketer · 2025-02 – 2025-06 · 4 mo — Designed & Launched an AI EdTech App with 2 co-founders Distribution / Marketing was all done by be, 100% bootstrapped. I eventually quit & learned that I don't enjoy B2C marketing. Helped me pivot into B2B tech sales & refine my craft there.
Job: Relevance. — Founding GTM Engineer & Partner (Founding GTM) · 2025-11 – present · 9 mo — Relevance helps SaaS startups by architecting high-performance outbound engines and RevOps frameworks. Accelerator-Backed Expertise: We serve as the GTM backbone for high-growth startups emerging from Y Combinator, Techstars, Antler, and other premier global accelerators. Architecting the Modern Tech Stack: Our team builds sophisticated automation ecosystems using Clay, n8n, and advanced sequencing tools. We specialize in transforming raw data into enriched, sales-ready leads that align perfectly with a client's specific market motion. Full-Cycle Pipeline Development: We take full ownership of GTM execution, converting target lists into consistent meeting flow and managed pip…
School: Athens University of Economics and Business — BA in Marketing & Communications · 2023 – present

Skills

outbound systemUser Interface DesignProduct DesignProduct MarketingGraphic DesignAgentic AI DevelopmentAI AgentsAgentic WorkflowsCold CallingCold EmailCRM HygienePresenting DemosClosing ContractsSales OperationsEmail MarketingStatistical Data AnalysisOutbound MarketingContent MarketingFast-Moving Consumer Goods (FMCG)People ManagementBusiness-to-Business (B2B)

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Sotiris Gianniris

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