Lisandra Guerreiro
Lisandra Guerreiro

Customer Support & Success Leader

Open to offers · Member since 14 Aug 2026
Message
Location
Braga, Portugal
Desired salary
Unspecified
Work preference
Remote Only / Full Time
Experience level
Lead

About

Professional summary

I am a Customer Success and Support leader with more than 10 years of experience across B2B and B2C environments, including SaaS, AdTech, e-commerce, telecommunications, and contact centers.

I have progressed from customer-facing specialist roles into leadership positions, managing strategic accounts, customer lifecycle operations, and support and success teams.

I am experienced in coaching teams, managing performance, and developing scalable processes.

I work closely with Product, Business Operations, Marketing, and Partnerships to turn customer feedback and recurring pain points into product, process, and service improvements.

I am comfortable managing onboarding, QBRs, success plans, platform demonstrations, training, and complex customer escalations. My goal is to create efficient customer experiences while building long-term customer relationships.

I bring a customer-centric, analytical, and collaborative approach to building high-performing Customer Success and Support operations.

Skills

32 capabilities

Tech stack & tools

Working toolkit

Collaboration

Communications

Experience

Career history

Customer Success Lead Leadzai, SA

Led and coached a seven-person Customer Support and Customer Success team, including performance management, one-to-one coaching, career development, and operational consistency.

Designed Support and Customer Success processes to improve response and resolution times, strengthen retention, and reduce churn risk. Partnered with Product, Business Operations, and Partnerships on product and process improvements, while owning success plans, QBRs, demos, training, and strategic planning for key accounts and partners in an AdTech SaaS environment.

Customer Success Manager Barkyn

Managed the complete customer lifecycle from onboarding through retention in a D2C e-commerce pet market environment, with emphasis on customer experience, long-term value, and lifecycle consistency.

Improved internal documentation and support workflows to reduce response times and team dependencies. Collaborated with Product, Warehouse Operations, and Marketing to resolve complex issues and identify customer pain points for process improvements.

Senior Customer Support Specialist ManpowerGroup Solutions Lda

Provided technical customer support for hardware, software, connectivity, and media account issues in a high-volume B2C call-center environment serving the UK market.

Diagnosed complex issues, documented customer cases accurately, maintained service quality and efficiency, and escalated unresolved cases to specialized teams.

Customer Support Specialist and Sales Assistant Randstad Portugal - Vodafone PT

Built customer relationships through consultative conversations in a B2C retail sales environment, advising customers on products and services and recommending tailored solutions.

Managed renewals, upselling, cross-selling, and after-sales assistance while identifying relevant opportunities and supporting customer needs.

Education

Learning history

Azores University (UAC)

Degree, Psychology

Degree in Psychology completed at Azores University in São Miguel, Açores.

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