Summary
Overview
Work history
Education
Skills
Timeline
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Gessika Bessa

London

Summary

Customer Success & Operations leader with 10+ years in SaaS and AdTech. Proven record driving 95%+ GRR, 120%+ NRR, and zero logo churn. Expert in building scalable teams, automations, and developer resources that accelerate adoption and revenue. Skilled at bridging Sales, Product, and Engineering to deliver customer value at speed and scale.

Overview

16
16
years of professional experience
2023
2023
years of post-secondary education

Work history

Head of Customer Success & Platform Operations

Streaem
London
01.2024 - Current
  • Achieved 95% GRR and zero logo churn by designing and executing end-to-end CS strategy.
  • Delivered 120% NRR and 7× advertiser growth by leading cross-functional onboarding and adoption programs.
  • Reduced resolution times by 40% by building support operations from scratch (HubSpot CRM, Jira, Slack automations).
  • Took ownership of platform operations post-CTO exit, ensuring 100% uptime and seamless retailer/advertiser configurations.
  • Launched developer portal (developers.streaem.com), cutting onboarding time by 30% and enabling API-led self-service.
  • Built training frameworks increasing feature adoption by 25% and advertiser ROI.
  • Provided >90% accurate renewal forecasts to support board-level revenue planning.

Senior Technical Support Engineer EU Regional Lead

Kevel
London
09.2019 - 11.2023
  • Led EU Customer Success operations, effectively owning the region's CS strategy and delivery, managing SMB and mid-market accounts through onboarding, adoption, and renewals.
  • Managed 75% of the EU post-sales portfolio, driving retention and expansion across SMB and mid-market accounts.
  • Introduced reporting dashboards and early-churn alerts, improving operational efficiency by 20% and reducing surprise churn.
  • Partnered with Sales, Product, and Engineering to shape roadmap and increase adoption of new features.
  • Authored technical content for Kevel's developer portal, strengthening self-service onboarding.
  • Mentored new hires and scaled the regional team, driving higher NPS and CSAT scores across EU and US accounts.

Technical Support Team Leader

Wolters Kluwer: ELM Solutions
London
01.2019 - 08.2019
  • Managed and coached a regional support team, improving SLA compliance and first-contact resolution by 20%.
  • Served as key escalation point for Level 3 issues, collaborating with Product, BA, and Engineering on root cause fixes.
  • Delivered onboarding and client training across Europe, improving early adoption and renewal likelihood.
  • Produced internal documentation to streamline resolution processes and improve team readiness.

Technical & Application Support Analyst

Wolters Kluwer – ELM Solutions
London
04.2018 - 01.2019
  • Resolved 80%+ of Level 1 & 2 cases within SLA, outperforming team average by 20% while maintaining >80% SLA compliance.
  • Developed expertise in Tymetrix 360 configuration, integrations, and reporting workflows.
  • Produced technical guides and supported onboarding documentation for new SMB clients.

Client Services Team Lead

Unbiased
London
03.2017 - 03.2018
  • Built and led a hybrid Customer Success & Sales team serving SMBs, delivering 15% revenue growth and 20% churn reduction, managing £2M SMB portfolio.
  • Hired, coached, and aligned Account Managers to lifecycle goals and onboarding standards.
  • Partnered with Product and Marketing to develop engagement and retention strategies, improving Customer Lifetime Value.
  • Launched live chat and training programmes, raising CSAT from 60% to 85% in 6 months.
  • Developed proactive account health models to reduce churn and unlock upsell opportunities.

Early Career: Project Coordinator at

The Restaurant Group
London
09.2009 - 03.2017

Account Manager at eFinancial Careers (2015-16)
Customer Care at Net-a-Porter and Luxury Retail at Fenwick's, Gucci (2010-15)
Sales Advisor at Safestyle UK (2009-10)

Education

Bachelor of Arts - Fashion Design

University for the Creative Arts
London
09.2012 - 06.2014

Foundation Degree in Arts - Fashion Design

Ravensbourne University London
London
09.2011 - 06.2012

HTML/CSS, SQL, Amazon Athena (Data Ops)

PluralSight
London

Skills

  • Customer Success Strategy: GRR, NRR, Churn Prevention, Health Scoring, Lifecycle Management
  • Leadership & Operations: Team Coaching, Stakeholder Management, Forecasting, Process Automation (HubSpot, Salesforce, Jira, Slack, Retool)
  • Domain Expertise: SaaS, AdTech, CRM Automation, Platform Ops, Developer Docs

Timeline

Head of Customer Success & Platform Operations

Streaem
01.2024 - Current

Senior Technical Support Engineer EU Regional Lead

Kevel
09.2019 - 11.2023

Technical Support Team Leader

Wolters Kluwer: ELM Solutions
01.2019 - 08.2019

Technical & Application Support Analyst

Wolters Kluwer – ELM Solutions
04.2018 - 01.2019

Client Services Team Lead

Unbiased
03.2017 - 03.2018

Bachelor of Arts - Fashion Design

University for the Creative Arts
09.2012 - 06.2014

Foundation Degree in Arts - Fashion Design

Ravensbourne University London
09.2011 - 06.2012

Early Career: Project Coordinator at

The Restaurant Group
09.2009 - 03.2017

HTML/CSS, SQL, Amazon Athena (Data Ops)

PluralSight
Gessika Bessa