Stefan Kalum Mikkelsen
Head Of Client Success
Kongens Lyngby,84
Summary
Commercial operations leader with 7+ years of experience scaling SaaS and B2B/B2C companies from startup to exit. Proven success in building and leading high-performing Customer Success and Sales teams, reducing churn (35% to 5%), and driving revenue growth. Expert in building scalable playbooks, RevOps systems, onboarding frameworks, and GTM strategies. Adept at balancing strategy with execution and aligning teams around clear metrics and outcomes.
Overview
7
7
years of professional experience
2
2
Languages
Work History
Head of Client Success
Pipeline Generator
09.2024 - Current
- Established the Client Success department from scratch: hiring, onboarding, training.
- Developed proactive engagement model with weekly check-ins and escalation flows.
- Launched Airtable + Close CRM for real-time performance tracking and reporting.
- Reduced time-to-value through structured onboarding and automation.
- Designed upsell strategy, increasing client LTV and retention.
- Remote
Head of Customer Success
Blueprint Learning
Copenhagen
08.2020 - 12.2024
- Led 10+ member CS team, setting OKRs, hiring plans, and performance standards.
- Architected scalable CS model for enterprise, mid-market, and SMB clients.
- Drove collaboration across Sales, Product, and Marketing to deliver unified GTM.
- Lowered annual churn from 55% to 20% over 3 years.
Customer Success Manager
Ageras Danmark
Copenhagen
12.2018 - 08.2020
- Trained and mentored international CSMs, improving onboarding efficiency.
- Created internal playbooks and led execution of marketing campaigns.
- Validated leads and managed onboarding for new partners.
Junior Business Advisor
Optimeo A/S
- Sales strategy and advisory for digital marketing.
B2B Advisor
Telia
- Tech support and sales for telecom products.
Store Apprentice
Bestseller
- Retail operations, team collaboration, and sales.
Military Service
Den Kongelige Livgarde
- Completed military training and national service.
Education
Academy Degree - Retail & Personal Leadership
Erhvervsakademi Dania
Leadership & Retail Training
BESTSELLER Academy
HHX Innovation and Entrepreneurship
KNORD Lyngby
Lyngby01.2012
Skills
Customer Success & Account Management Retention, Onboarding, Playbooks
Revenue Operations NDR, Churn, Forecasting, KPIs, Pipeline Management
GTM Strategy Sales Enablement, Cross-Functional Execution
Scaling Organizations Hiring, Org Design, Governance, Change Management
Systems Airtable, Close CRM, Automation, Dashboarding
Leadership Strategy & Execution, Team Building, Stakeholder Management
Operations management
Stakeholder relationships
Accomplishments
- Reduced monthly churn from 35% to 5% in latest consulting engagement.
- Scaled multiple startups into successful scaleups leading to exits.
- Increased customer lifetime value by 30% in 2 years.
- Built and led global CS teams supporting 100+ enterprise and SMB clients.
- Implemented upsell strategies increasing sales by 25%.
Timeline
Head of Client Success
Pipeline Generator
09.2024 - Current
Head of Customer Success
Blueprint Learning
08.2020 - 12.2024
Customer Success Manager
Ageras Danmark
12.2018 - 08.2020
Junior Business Advisor
Optimeo A/S
B2B Advisor
Telia
Store Apprentice
Bestseller
Military Service
Den Kongelige Livgarde
Leadership & Retail Training
BESTSELLER Academy
HHX Innovation and Entrepreneurship
KNORD Lyngby
Academy Degree - Retail & Personal Leadership
Erhvervsakademi Dania