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Experience & Skills

10+ years of B2B growth across AI, SaaS, FinTech, and Crypto: first growth hire, then Head of Growth leading teams across three markets, through Series B, Series C, and a $3.3B IPO.

Currently based in UAE/GCC, building growth systems with AI that let a lean team run like a full growth and marketing department.

United Arab Emirates hello@donatassimkus.com

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Career Timeline

Head of Growth & AI

Jul 2025 to Present
ai71 logo

ai71 · Enterprise & Government AI · Abu Dhabi, UAE

Reports to the Chief AI Advisory and Business Officer, Director of Marketing, and Director of Commercial

  • Supported the commercial team that reached 92% of its annual revenue target by mid-year
  • Grew branded search demand roughly 3x and inbound enquiries about 2.5x since joining
  • Own GTM strategy, website launch (CRO and SEO with AIO), paid media, and marketing operations (MarTech) end to end, directing a seven-figure budget and four agencies, a full-time contract designer, and leading cross-functional delivery across events and product marketing
  • Automated about 70% of the day-to-day growth work with agents and automations: rebuilt marketing on an agentic operating model, shifting from manual execution to designing the systems that run it, and doing in-house what would otherwise need agencies or added headcount
  • Cut around $300K a year in agency costs, in-housing website, SEO, design, and social on self-built systems, and keeping agencies only for specialist work like film production

Fractional Head of Growth & AI

Jul 2024 to Jul 2025
Growth Ninja Group logo

Growth Ninja Group · B2B Growth & AI · United Arab Emirates

Worked directly with founders, CEOs, and CMOs

  • Led a delivery team of 3, plus 5 freelancers and agency partners, across 30+ AI automation and GTM engagements, 10+ of them major, spanning B2B SaaS, e-commerce, crypto, real estate, and medical
  • Built an outbound automation system that generated and closed a $3M client deal
  • Implemented an AI-powered CRM with omnichannel follow-up (email, WhatsApp, voice agents), cutting response time by 95% and sales cycles by 28%
  • Launched a beauty marketplace in 3 months, growing it from zero to 150+ keywords ranked in the top 10 and domain authority 20, with a full Dubai GTM strategy and 10+ monetization channels
  • Generated 23K+ qualified leads through AI-driven outbound automation

Head of Growth

May 2023 to Jul 2024
Phoenix Group logo

Phoenix Group · Crypto & Blockchain · United Arab Emirates

Reported to the Chief Sales Officer and CEO

  • Joined pre-IPO to lead growth strategy and digitally transform the marketing function, for a $370M raise at a $3.3B valuation
  • Ran the retail-investor campaign that closed 180x oversubscribed, securing 40+ media placements
  • Directed the corporate rebrand and launched the new website in 11 days ahead of the public listing
  • Shipped the UAE's first cloud mining platform with iOS/Android apps in 5 weeks, with dynamic pricing, FIAT + USDT payments, and a live BTC ROI calculator
  • Led a cross-functional team of 7 across marketing, sales, and product

Head of Growth

Contract
Dec 2022 to May 2023
Quiqup logo

Quiqup · Delivery & E-commerce · United Arab Emirates

Reported to the CEO and VP of Product

  • Returned to Quiqup to launch the marketing/growth department and establish strategic direction for the transformation from delivery service to post-purchase and e-commerce fulfillment platform
  • Increased inbound sales opportunities by 67% through Google Ads optimization and website conversion work
  • Implemented an ABM framework that accelerated B2B pipeline velocity by 35%, and supported leadership with an investment pitch deck
  • Ran weekly experimentation sprints that improved core KPIs (CAC, conversion, ARPA) by 25%
  • Secured top-3 rankings for 11 high-intent keywords, driving 40%+ more organic leads

B2B Growth Lead

Jun 2021 to Dec 2022
Koinly logo

Koinly · Crypto Tax SaaS · London, UK

Reported to the CMO

  • Led global B2B growth strategy across USA, UK, Canada, and Australia markets with a data-driven experimentation framework (2-3 weekly tests) with 30-40% success rate
  • Onboarded 2,000+ global accountants in 12 months
  • Generated 4.2x ROAS at $19 per SQL, managing a $500K budget across Google Ads, LinkedIn Ads, and sponsored emails
  • Cut customer acquisition costs by 20%, running B2B acquisition largely solo and mentoring 1-2 growth hires
  • Drove 300+ qualified accountant leads from industry events and speaking slots, converting at 15% to paying clients

Head of Growth

Feb 2020 to Jun 2021
parcelLab logo

parcelLab · B2B SaaS · London, UK

Reported to the CMO

  • Promoted to lead global growth, directing international strategy and team expansion into European, US, and Middle Eastern markets
  • Led growth teams across 3 markets, developing specialists in acquisition, retention, and analytics
  • Ran enterprise ABM (one-to-one, one-to-few, one-to-many) that lifted average deal size by 34%
  • Grew revenue 13% while cutting cost per qualified lead by 30%
  • Provided the growth metrics and positioning behind a $112M Series C

Growth Marketing Manager

Mar 2018 to Feb 2020

Reported to the COO and Head of Sales (Northern Europe)

  • First growth hire in the UK, building the growth function behind parcelLab's Series B
  • Drove a 125% increase in conversion rates through B2B demand generation across Google, LinkedIn, and Meta, generating 60% of the sales pipeline
  • Sourced 5 enterprise wins worth $2M+ in ARR through a strategic ABM program
  • Tripled lead generation efficiency while cutting cost per lead by 40% with data enrichment and automated outreach
  • Implemented HubSpot marketing automation, cutting the sales cycle by 15%

Senior Marketing Executive

Jul 2016 to Mar 2018
Quiqup logo

Quiqup · Delivery & E-commerce · London, UK

Reported to the Head of Marketing

  • Led digital marketing supporting a $26M Series B, running agencies and performance marketing campaigns
  • Improved organic keyword rankings by 30% through a technical SEO strategy run with agency partners
  • Managed the website rebrand and migration to a headless CMS while preserving SEO value and site performance

Education

Diploma of Higher Education (DipHE), Business Economics

London Metropolitan University

2014 to 2016

Member of Economics, Bloomberg and Forex Societies

Certifications

CXL: Growth Marketing Certified
HubSpot Academy: Inbound Certificate
SEMrush: Technical SEO
SEMrush: Advertising Toolkit
LinkedIn Learning: Advanced Product Marketing
Agile Marketing Foundation
View all certificates

CV

The full career record on this page, as a clean printable document.

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Skills

GTM Strategy Revenue Operations Team Leadership AI Agents & Automation Account-Based Marketing Growth Experimentation Paid Media SEM / SEO Marketing Analytics & Attribution CRM & Lifecycle Automation Capital Markets & IPO Campaigns Demand Generation

LinkedIn

50+ recommendations, certifications and more.

linkedin.com/in/donatassimkus