Summary
Overview
Work history
Education
Skills
Custom Section
Accomplishments
Generic

Holly Cull

Portsmouth,England

Summary

Senior Customer Success Manager with 6 years of experience in SaaS environments, specializing in retention, renewals, and expansion. Managed a £900K ARR portfolio of 250 clients, achieving 100% Gross Revenue Retention consistently. Demonstrated leadership in mentoring CSMs and enhancing customer success processes. Expertise in churn risk management and stakeholder engagement drives sustainable revenue growth.

Overview

21
21
years of professional experience

Work history

Senior customer success manager

Lead Forensics
Portsmouth, Hampshire
2019.09 - 2025.11

Oversaw portfolio of 250 SaaS clients with £900K ARR, driving renewals, retention, and expansion results.

Regularly accomplished 100% of Gross Revenue Retention (GRR) objectives annually, fostering reliable renewal performance

Cultivated expansion revenue via strategic cross-sell and upsell initiatives aligned with customer objectives and usage insights.

Detected and addressed churn risk through analysis of customer health scores, product adoption, and engagement signals.

Directed onboarding, lifecycle management, and Quarterly Business Reviews (QBRs) to enhance customer value realisation.

Cultivated trusted advisor relationships with senior stakeholders and collaborated cross-functionally with Sales, Product, and Support teams.

Internal Auditor

Future Communication Specialists Ltd
2018.07 - 2019.07
  • Executed audits on completed deals, ensuring compliance, accuracy, and adherence to established training protocols including scripts, objections, and call handling
  • Assisted in drafting sales audit, contributing to overall audit strategy. Authored audits for verification, renewals, and customer services. Secured partner approval for customer service audit, marking a significant accomplishment.

Sales Executive

Future Communication Specialists Ltd
2018.02 - 2018.07
  • Executed outbound calls targeting businesses and sole traders to assess eligibility for mobile phone business tariff, finalising package prior to customer sale and verification
  • Met objectives through daily qualification of 12 customers, with 50% successfully closing as sales.

Travel sales agent

Thomas cook
Portsmouth
2015.01 - 2017.10
  • Advised clients on domestic and international travel options, creating tailored holiday packages to meet customer needs and budgets
    Booked flights, accommodation, tours, and ancillary services using reservation and GDS systems
    Achieved sales targets by promoting Thomas Cook products, upgrades, and travel insurance
    Managed ticketing, changes, cancellations, and refunds while ensuring accuracy and compliance
    Delivered exceptional end-to-end customer service, resolving inquiries and travel issues efficiently
    Maintained up-to-date knowledge of destinations, travel regulations, and promotional offers

Sales advisor

Hove
2015.07 - 2015.10
  • Making outbound calls to customers regarding switching their broadband services
  • Taking the sale right through to the end including but limited to switching their broadband provider, setting up their account and taking their bank details in order to set up payment.
  • Making at least 100+ calls a day.
  • Making at least 4 sales a day.
  • Using excellent rapport building skills and great communication skills in order to get the customer to change their providers.

booking agent

Nhs
Portsmouth
2014.01 - 2014.12
  • Organising physiotherapists schedule to fit in patients referred physiotherapy
  • Making outbound calls to patients to organise their physiotherapy
  • Taking customer service calls from physiotherapists and patients regarding scheduling problems, complaints, and general customer service to patients.
  • Dealing with admin after appointment settings including but not limited to chasing appointments, appointments missed, appointment confirmations.
  • Making at least 150 calls a day to get patients booked in.

Sales associate

Thomas Sanderson
Portsmouth
2013.01 - 2013.12
  • Making outbound calls to customers regarding a free design quotation visit.
  • Building the right rapport to understand the type of blinds they need for their home.
  • Using our partnership contracts with Angela windows to call customers who have had their windows replaced in the home but mostly in their conservatory to find the right blinds to fit their home.
  • We start the beginning of the sales process in order for them to be booked in with the designer.
  • To make at least 9 bookings per week with the designers.

Customer service assistant

Primark
Portsmouth
2012.01 - 2012.12
  • Replenish products from the warehouse delivery to the shop floor
  • Great customers
  • Till work
  • Customer service tills

Customer service assistant

Wilkinson
Portsmouth
2005.01 - 2009.12
  • Picking items from the warehouse and delivery to promote on shop floor
  • Head of promotions, including but not limited to picking correct promotion items, making new promotion stands, hanging point of sales items.
  • Till work
  • Greeting customers into the store
  • Helpdesk work
  • Making announcements

Education

law - undefined

Staffordshire university
2009.01 - 1 2012

A-levels - History

Portsmouth college
2005.01 - 1 2009

Maths and English - undefined

City of Portsmouth girls school
2000.01 - 1 2005

ICT GNVQ -

Portsmouth college

Foundation degree in Law - Law

Staffordshire univeristy
Stoke on trent
09.2011

Skills

  • Effective communication skills
  • Microsoft Office Suite
  • Data entry
  • General Data Protection Regulation (GDPR)
  • Regulatory compliance
  • Typing proficiency

Custom Section

  • Advanced typing skills (around 70 words per minute)
  • Microsoft Office
  • Foundation law degree
  • Excellent communication skills (written and verbal)

Accomplishments

Customer success manager of the year 2 years running

Holly Cull