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I'm Lan Wei, a results‑oriented Business Analyst with 5+ years of experience across banking and telecom, specialising in credit risk, entitlement management, and digital transformation initiatives. I translate complex business requirements into functional specifications, design scalable systems, and lead cross‑functional teams through Agile delivery. My strengths include process optimization, data quality validation, and effective stakeholder communication. I have delivered strategic initiatives for Citi, China Mobile, and Publicis Groupe, collaborating with teams across the US, Europe, and Asia. I thrive in fast‑paced environments and enjoy turning ambiguity into actionable solutions that drive measurable business outcomes.…I'm Lan Wei, a results‑oriented Business Analyst with 5+ years of experience across banking and telecom, specialising in credit risk, entitlement management, and digital transformation initiatives. I translate complex business requirements into functional specifications, design scalable systems, and lead cross‑functional teams through Agile delivery. My strengths include process optimization, data quality validation, and effective stakeholder communication. I have delivered strategic initiatives for Citi, China Mobile, and Publicis Groupe, collaborating with teams across the US, Europe, and Asia. I thrive in fast‑paced environments and enjoy turning ambiguity into actionable solutions that drive measurable business outcomes.

Lan Wei

Data Analyst, Marketing Analyst, Data Scientist, +1

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I'm Lan Wei, a results‑oriented Business Analyst with 5+ years of experience across banking and telecom, specialising in credit risk, entitlement management, and digital transformation initiatives. I translate complex business requirements into functional specifications, design scalable systems, and lead cross‑functional teams through Agile delivery. My strengths include process optimization, data quality validation, and effective stakeholder communication. I have delivered strategic initiatives for Citi, China Mobile, and Publicis Groupe, collaborating with teams across the US, Europe, and Asia. I thrive in fast‑paced environments and enjoy turning ambiguity into actionable solutions that drive measurable business outcomes.…I'm Lan Wei, a results‑oriented Business Analyst with 5+ years of experience across banking and telecom, specialising in credit risk, entitlement management, and digital transformation initiatives. I translate complex business requirements into functional specifications, design scalable systems, and lead cross‑functional teams through Agile delivery. My strengths include process optimization, data quality validation, and effective stakeholder communication. I have delivered strategic initiatives for Citi, China Mobile, and Publicis Groupe, collaborating with teams across the US, Europe, and Asia. I thrive in fast‑paced environments and enjoy turning ambiguity into actionable solutions that drive measurable business outcomes.

Available to hire

I’m Lan Wei, a results‑oriented Business Analyst with 5+ years of experience across banking and telecom, specialising in credit risk, entitlement management, and digital transformation initiatives. I translate complex business requirements into functional specifications, design scalable systems, and lead cross‑functional teams through Agile delivery. My strengths include process optimization, data quality validation, and effective stakeholder communication.

I have delivered strategic initiatives for Citi, China Mobile, and Publicis Groupe, collaborating with teams across the US, Europe, and Asia. I thrive in fast‑paced environments and enjoy turning ambiguity into actionable solutions that drive measurable business outcomes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Chinese

Fluent

English

Advanced

Norwegian

Beginner

German

Beginner

French

Beginner

Work Experience

Business Analyst at Citi

September 1, 2022 - March 1, 2024

Led the design and specification of Citi's global entitlement and data access control system for wholesale lending within the Institutional Clients Group. Translated business and regulatory requirements into clear functional specifications, user stories, and process flows. Defined role-based access models, approval workflows, and API integration requirements to enable scalable access management across wholesale banking platforms, aligned with Citi Global Data Classification and Access Governance Policy. Supported API design and authorization logic for cross‑system data access, enabling secure data sharing and compliance. Facilitated integration testing, UAT, and release readiness with globally distributed teams (US, Europe, Asia). Supported Agile release cycles, maintained stable production deployments, and contributed to zero critical incidents.

Credit Risk Analyst at China Mobile

January 1, 2019 - January 1, 2022

Acted as liaison between China Mobile, partner banks and fintechs to define business and technical requirements for ML-based risk and fraud detection models addressing bank card and telecom fraud. Specified data sources, risk scenarios, KPIs and success metrics; collaborated with data science teams to translate requirements into model features and evaluation criteria, contributing to ~20% reduction in fraud losses and improved detection accuracy. Designed and implemented 5G Smart Banking solutions: intelligent customer service platforms, real-time risk monitoring, automated loan approvals, and personalized financial product recommendations leveraging 5G capabilities. Coordinated across product, engineering, and QA teams to ensure timely delivery and regulatory alignment.

Financial Analyst at Publicis Groupe

May 1, 2015 - December 1, 2016

AP & Financial Analysis: Oversaw accounts payable for multiple subsidiaries, ensuring timely supplier payments and resolving invoice disputes. Conducted monthly financial analysis for the Asia-Pacific region, maintaining data accuracy, compliance, and identifying discrepancies, and supported decision-making with actionable insights.