Person

Marcus Sherwin

Marcus Sherwin is the founder and Managing Partner of Kleos, a B2B go-to-market agency in Madrid. He is also co-founder and Chief Revenue Officer of ContextRocket, teaches go-to-market strategy at IE Business School, and hosts the NotJustAds podcast.

Role: Founder and Managing Partner, Kleos

Other roles: Co-founder and Chief Revenue Officer, ContextRocket

Teaching: teaches go-to-market strategy at IE Business School, Madrid

Experience: 12 years in go-to-market (GTM)

Background: 6 years at LinkedIn, in the enterprise division

At LinkedIn: managed over $75M in LinkedIn ad spend

Pipeline: generated over $700M in pipeline across his career, for companies including HP, Expedia and Thomson Reuters

Podcast: host of NotJustAds: The Creator Economy for B2B

Based in: Madrid, Spain

Topics: B2B GTM strategy and execution, LinkedIn Ads, ChatGPT Ads, B2B influencer marketing, B2B creator partnerships

Reviewed by Marcus Sherwin, founder of Kleos. Last reviewed:
October 27, 2026
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