Jennifer dos santos
@jenniferdossantos
Account Manager driving retention, growth, and integrations for B2B SaaS clients.
What I'm looking for
I’m an Account Manager who builds long-term client outcomes through strategy, clear communication, and measurable delivery. I’ve managed portfolios across B2B SaaS, pairing customer success with practical execution to drive retention and expansion.
At Authority Brand, I managed 40+ client accounts, overseeing ongoing strategy and delivery to ensure consistent measurable impact. I onboarded clients through a structured 90-day accelerator program, achieving an 85% conversion rate to long-term monthly subscriptions, and I improved internal efficiency by developing SOPs. I also led QA across scripts, strategy plans, client videos, and design deliverables while coordinating design and creative teams to keep timelines on track.
Previously at Expensify/PartnerHero, I owned 100+ SMB and enterprise accounts as the primary point of contact for C-suite stakeholders across renewals, expansion, and ongoing success. I drove upsell and cross-sell opportunities using usage and spending data, and led API and ERP integrations with NetSuite, QuickBooks, and Sage Intacct, partnering closely with engineering and product. I also spearheaded an Account Management pilot team, onboarding 40+ Account Managers, authored a proactive engagement guide, and used performance data to run account reviews that minimized churn and maximized revenue retention.
Before account management, I worked as a Customer Service Associate, resolving technical issues for hundreds of clients weekly, collaborating cross-functionally to fix systemic problems, and maintaining an internal knowledge base. I’ve always leaned into structured processes—SOPs, QA, and training—because I believe operational rigor and stakeholder trust are what make growth sustainable.
Experience
Work history, roles, and key accomplishments
Account Manager
Authority Brand
Apr 2025 - Apr 2026 (1 year)
Managed a portfolio of 40+ client accounts, driving strategy execution and measurable outcomes across onboarding and ongoing delivery. Improved long-term subscription conversions to 85% through a structured 90-day accelerator, and enhanced retention by maintaining clear communication and on-time milestone delivery.
Account Manager
Expensify/PartnerHero
May 2022 - Mar 2025 (2 years 10 months)
Managed 100+ SMB and enterprise accounts as the primary C-suite point of contact across renewals, expansions, and ongoing success. Drove upsell and cross-sell using tailored business cases, led NetSuite/QuickBooks/Sage Intacct API and ERP integrations, and minimized churn through proactive risk identification and annual renewal negotiations.
Customer Service Associate
Expensify/PartnerHero
Dec 2019 - May 2022 (2 years 5 months)
Resolved technical issues for hundreds of clients weekly via chat support, exceeding customer satisfaction metrics. Collaborated cross-functionally to address systemic issues, maintained an internal knowledge base for consistency, and led virtual training for new hires.
Customer Service Associate
GlobalEgrow
Aug 2018 - Dec 2019 (1 year 4 months)
Managed customer accounts for an international e-commerce chain, delivering support in English, Portuguese, and Spanish. Used CRM systems to track and analyze interactions, improving service delivery efficiency.
Education
Degrees, certifications, and relevant coursework
Centro Universitário Anhanguera
Bachelor of Mechanical Engineering, Mechanical Engineering
Earned a bachelor's degree in Mechanical Engineering from Centro Universitário Anhanguera in 2019.
Harvard University
CS50 Introduction to Computer Science, Computer Science
Completed CS50 Introduction to Computer Science through Harvard University.
FreeCodeCamp
HTML & CSS, Web Design
Completed a Web Design certification focused on HTML and CSS via FreeCodeCamp.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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