Customer Success Leader
Denis F. Lixandru
Results-driven Customer Success leader with over 10 years in enterprise SaaS and cloud solutions, focused on revenue retention, churn reduction, product adoption, strategic account expansion, and measurable customer outcomes.
Experience timeline
Hover each company logo for context. Click the transition note to understand the decisions behind the move.
re_iterate helps businesses turn strategy into a usable digital presence, combining Customer Success discipline with hands-on website builds, positioning, content structure, and growth-focused execution.
Founder, Customer Success & Digital Strategy
- Build outcome-driven digital strategies across websites, positioning, content, and customer journeys, translating business goals into practical execution plans.
- Design and deliver web experiences, UX direction, messaging, and creative structure with a focus on clarity, trust, conversion, and long-term adoption.
- Partner with clients from discovery to delivery, bringing enterprise Customer Success habits into lean, hands-on digital projects that keep value visible after launch.
The story behind re_iterate
Built from 10+ years of Customer Success, executive escalations, product feedback, adoption work, AE and AM alignment, references, success stories, CS ops thinking, and dashboards that turn scattered signals into decisions.
It started at a crowded café in Bucharest, with a simple pattern I kept seeing everywhere: products, teams and customers break down when people stop understanding each other.
re_iterate became the process I wish more teams used: understand intent, understand personality, build the system, test it, improve it, and keep going.
Intent → Personality → Strategy → Iteration
Years of bugs, patches, fixes, stakeholder sync, references, dashboards, adoption and escalation work shaped the operating system behind re_iterate.
Intent comes first because it defines why the project exists. Personality then shapes how it should feel, sound and behave.
The goal is not a pretty static asset. It is a living digital experience that can be measured, improved and evolved.
After my time in Ghent, I moved back to Bucharest, Romania as part of a broader personal and professional reset.
A long-term personal chapter in Belgium had come to a natural close, and I wanted to return home, reconnect with my base, and build the next phase with more independence, clarity, and ownership.
That move also gave me the space to build re_iterate: a hands-on model that translates enterprise SaaS Customer Success into digital strategy, website builds, positioning, client advisory, and long-term partnership building.
CHILI publish builds creative automation software that helps brands and agencies scale production of multichannel print and digital content variations while keeping brand governance intact.
Global Customer Success Manager
- Managed $1.3M ARR global portfolio through strategic account management, increasing Net Revenue Retention from 76% to 120% and reducing gross churn from 19% to 5%, improving Gross Revenue Retention to 95%.
- Outperformed enterprise SaaS benchmarks, median GRR 88-92% and top-quartile above 92-95%, by developing structured customer success processes, customer segmentation, and proactive risk mitigation strategies.
- Built unified cross-functional strategy with Product, Marketing, and Engineering teams, translating customer feedback into roadmap priorities and driving product adoption.
- Led Quarterly Business Reviews, customer advocacy programs, and education initiatives that strengthened executive stakeholder relationships and accelerated revenue expansion.
I moved to Ghent, Belgium for a twofold reason: first, professional development and second, to be with my partner, at the time, who was living there.
I wanted more direct exposure to customers in the BENELUX region, a broader international SaaS context, and the chance to keep sharpening my customer success craft in a high-pace environment.
Morningstar Sustainalytics provides ESG research, ratings, data, and climate insights that help investors and companies turn sustainability challenges into clearer decisions.
Global Customer Success Manager
- Managed portfolio exceeding $1M ARR for Gold and Platinum ESG and Sustainable Supply Chain clients through proactive account management and customer retention strategies.
- Improved Net Revenue Retention from 87% to 135% and reduced gross churn from 8% to 4%, improving Gross Revenue Retention to 96%.
- Significantly outperformed enterprise SaaS and ESG industry benchmarks, median NRR 102-105% and median GRR 88-92%.
- Built strong senior stakeholder relationships in Procurement, Sustainability, Investor Relations, and Treasury, identifying and closing multiple upsell and expansion opportunities.
- Delivered client onboarding programs, training sessions, and tailored presentations that boosted product adoption and customer satisfaction.
I first read about Sustainalytics before the Morningstar acquisition, through Ziarul Financiar and the Financial Times. The ESG space genuinely interested me, especially sustainability, DEI policies, and the question of whether those programs were producing meaningful business and social outcomes.
When a Customer Success role became available, I applied, went through seven interviews, and landed the role. It was a move from cloud commercial execution into a fast-growing data and research business where customer education, executive alignment, and value realization mattered deeply.
Oracle is an enterprise technology company known for cloud infrastructure, cloud applications, databases, and enterprise software used by organizations globally.
PaaS & IaaS Renewals & Customer Success Manager
- Managed full PaaS and IaaS renewal portfolio, including Oracle Database Cloud, Exadata Cloud Service, Java Cloud Service, and Compute, across Norway, Sweden, Finland, and Denmark.
- Took over $1.5M inherited pipeline and grew it to $7M through proactive opportunity creation and renewal management, achieving 110% renewal rate and securing $3.2M from a major key renewal.
- Delivered results in an early cloud adoption market where typical enterprise PaaS/IaaS GRR ranged 85-92%, consistently exceeding revenue targets through strong stakeholder management and risk mitigation.
- Expanded PaaS and IaaS customer success responsibilities in the Nordics, converting use cases into a dynamic sales pipeline through competitive analysis and opportunity mapping.
- Drove renewal management, product adoption, and revenue velocity by shortening sales cycles and aligning customer success with commercial outcomes in the cloud business.
The early commercial and escalation foundation.
Before my cloud renewals and customer success chapter began, I built the muscle for executive communication, pressure handling, order accuracy, commercial discipline, and cross-functional follow-through.
Sprint CorporationAmerican telecommunications company that later became part of T-Mobile US. Relevant context for the executive escalations chapter.Open Wikipedia ↗
Sprint, now T-Mobile · Executive Escalations Specialist
Handled executive-level B2C escalations elevated to C-level executives, including complaints received through the Federal Communications Commission and the Better Business Bureau in the United States.
- Managed high-pressure customer cases where tone, accuracy, documentation, and resolution quality mattered deeply.
- Named Agent of the Year and selected to travel to Malaysia to meet the outsourced APAC sales team.
Covered the Romanian region in an inside sales role supporting freight forwarding solutions, combining commercial execution with operational checks and order discipline.
- Handled direct sales, order processing, credit checks, compliance checks, credit limit management, and customer coordination.
- Built an early base in structured sales operations, risk control, documentation, and customer-facing commercial ownership.
How the Oracle chapter started.
Oracle gave me an early commercial foundation in cloud renewals, PaaS and IaaS customer success, competitive enterprise deals, internal alignment, and stakeholder coordination across the Nordic market.
I was referred to Oracle by a friend at a moment when the market was opening itself to cloud computing services: elastic compute, PaaS, IaaS, and the broader shift from traditional infrastructure to cloud consumption.
I managed Oracle Database Cloud, Exadata Cloud Service, Java Cloud Service, and Compute renewals across Norway, Sweden, Finland, and Denmark.
I took over a $1.5M inherited pipeline and grew it to $7M through proactive opportunity creation and renewal management, including a 110% renewal rate and a $3.2M major key renewal.
Customer success stack
The operating layer behind retention, expansion, stakeholder alignment, and customer advocacy.
What I am hired to fix
A compact system for finding risk, proving value, and creating expansion momentum.
Usage analysis, segmentation, enablement, and account-specific adoption plays.
Early warning signals, executive alignment, escalation prevention, and proactive success plans.
QBRs, Objectives Reviews, use-case framing, and value realization narratives.
Evidence-led growth paths, commercial storytelling, and AE-CS coordination.
Business outcomes translated into retention, advocacy, expansion, and strategic value.
Customer advocacy, referenceable outcomes, education initiatives, and proof loops that make value visible.
Proof signals
Recommendations and validation signals from leaders and colleagues across the Customer Success journey.
DV
Morningstar Sustainalytics“Denis brings solid experience in customer success management and is dedicated to bring the best client experience all along the client journey. Passionate, dedicated and diligent describes Denis the best.”
AG
CHILI publish“Denis is an excellent professional with a focus on customer outcomes, always displaying empathy and strategic thinking. His communication skills are absolutely exceptional, and Denis is an asset to any company.”
RD
CHILI publish“Working with Denis at CHILI publish was a great experience. He was always eager to deliver exceptional service to each and every client. He was also quick to identify who needed content or training materials to adopt the solution. Any team would be lucky to have him.”
IO
Oracle Corporation“Throughout our years together in Oracle, Denis stood out through persistence, deep analysis, and a can-do attitude. He is tenacious, determined, and his ability to deep dive and analyze complex scenarios makes him a great asset to any organization.”
Details
Education, certification, languages, and contact details.
Education
Bucharest Academy of Economic Studies
International Business & Economics · 2011 to 2014
National College “Ion Creangă”
English language and literature · 2007 to 2011
Certification
CompTIA IT Fundamentals+ · 2023
Languages
English · Bilingual
Romanian · Native
R