# leowe.com - Leonard Weise

**Leonard Weise**
leowe@hey.com | leowe.com | linkedin.com/in/leonardweise | @leowe (Twitter/X/Instagram)

Technical Founder specializing in FinTech and data API solutions. Built and scaled Numerical Methods, a profitable FinTech data API company, from idea to global use. Deep expertise in financial markets (MSc Finance - Oxford & Peking, _full scholarship_, GMAT 740) leveraged to create impactful technology solutions. I have driven Numerical Methods's vision, strategy, product development, engineering, and initial commercial success.

---

## — Entrepreneurial Leadership & Engineering —

### Numerical Methods (numi.fi) - Founder, Product Lead, Engineer

_Shenzhen, China / Berlin, Germany / Remote | Jul 2021 - Present_

Founded Numerical Methods and led all aspects of the business as CEO, Product Lead, and hands-on Engineer, transforming an idea into a profitable, globally-used financial data API platform. Numerical Methods is a real-time financial data API platform.

- **Strategic Leadership & Vision:** Defined Numerical Methods's mission to democratize financial data access; crafted company strategy, set OKRs, and fostering a high-performance, remote-first culture.
- **Product & Engineering Execution:** Led the end-to-end product lifecycle—from market research and user stories to full-stack development (TypeScript, AWS) and iterative releases. Architected the core API serving 50k+ instruments (99.98% uptime, P99 < 75 ms).
- **Commercial Growth & Fundraising:** Drove initial go-to-market strategy, personally securing first 10 enterprise pilots. Scaled Numerical Methods to net profitability within 6 months post-beta, achieving 10x net profit by the end of Year 2.
- **Team Building & Operations:** Recruited, mentored, and managed a lean, agile team of 3 full-time engineers and UX designers. Implemented operational processes for product delivery, customer support, and financial management.
- **Technical Innovation:** Engineered a novel TypeBox-based runtime validation system, slashing data edge-case errors by 85% and ensuring superior data integrity for users.

---

## — Foundational Financial & M&A Experience —

### Hainan Airlines Holdings - Investment Committee

_Haikou & Hong Kong, China | 2017 - 2019_

- Uncovered advantage for consolidating group airline maintenance subsidiaries; analysis adopted verbatim by the Investment Committee and led to the realization of said subsidiaries into HNA Aviation Technik.
- Drove valuation for Frankfurt-Hahn Airport acquisition deal; model surfaced 7% price reduction.
- Accelerated M&A deal flow; cut review time by 35%, implementing screening infrastructure.

### CRRC Corporation Limited - Corporate Development, M&A

_Beijing, China | 2016 - 2017_

- Accelerated M&A pipeline 3 months, prioritizing 8 EU targets from 45 via a 10-factor scoring model.
- Spearheaded commercial DD for German wireless-power OEM (€ 80 m EV); Board approved 60-page investment report.
- Constructed DCF/LBO models for € 350 m aggregate EV for NDRC filings.

---

## — Education —

**MSc Finance (Dual-Campus Program) - _Full Academic Scholarship_**
_University of Oxford, UK & Peking University, China | 2019 - 2021_

- GPA: 3.7/4.0
- Focus: Adv. Corp. Finance, Valuation, Derivatives. Thesis: Corporate Cash Holdings under Uncertainty: Dynamic GMM and Machine-Learning Insights.

**Award of Certificate in Mandarin Chinese as a Foreign Language** _The Chinese University of Hong Kong, Yale-China Chinese Language Centre_
_The Chinese University of Hong Kong, Yale-China Chinese Language Centre_

---

## Core Competencies & Leadership Impact

- **Tech Entrepreneurship & CEO Leadership:** Vision & Strategy, P&L Management (Implied), Fundraising, Go-to-Market, Team Building & Culture.
- **Product Management & Engineering:** Full Product Lifecycle, API Design & Architecture, SaaS Development (TypeScript, AWS), Low Latency Systems, Data Integrity, Agile Methodologies.
- **Financial Acumen & Data Expertise:** Deep Understanding of Financial Markets, Financial Data APIs, FinTech Solutions, Valuation, Cross-border M&A Strategy.
- **Business Growth & Scalability:** Drove fintech startup to profitability, architected for 50 k+ instruments, secured seed funding.
- **Operational Excellence:** Reduced Data Errors 85%, Implemented Efficient Product Delivery Processes.

**Tech Stack Highlights:** TypeScript, Python (pandas), AWS (Lambda, DynamoDB, API Gateway, Certified Solutions Architect - Associate), TypeBox, SQL.
**Languages:** German (Native), English (Fluent), Mandarin Chinese (Professional Working Proficiency).

---

## Certifications & Awards

- **German Federal Financial Supervisory Authority (BaFin) Clearance**
- **Full Master's Scholarship** (University of Oxford & Peking University)
- **GMAT Score: 740** (97th percentile)
- **GRE Score: 336/340** (Top 1%: V169, Q167, AW4.0)

---

## Beyond the Desk

- Competitive Sailor: RYA Day-Skipper, EU Yacht Licences.
- Avid mountaineer and skier.
- Oxford Union Debater.

## Contact

- [LinkedIn](https://linkedin.com/in/leonardweise)
- [GitHub](https://github.com/leowe)
- [X](https://x.com/leowe)
- [Instagram](https://www.instagram.com/leowe)

## Pages

- [Home](https://leowe.com/): Overview, personal details, and quick links
- [Work](https://leowe.com/work): Career history and ongoing financial data API project
- [Multi-Agent Knowledge Graphs](https://leowe.com/n/agents): Outlines multi-agent AI workflows for knowledge graph enrichment
- [My Stack](https://leowe.com/n/stack): Current development tools and deployment approaches
- [A Wild Ride on the Blockchain](https://leowe.com/n/wild): Highlights a story of large Ethereum transactions tied to mind control tech claims
- [Venture Capital 3.0](https://leowe.com/n/vc): Explains how AI is reshaping VC funding and investor approaches
- [Cybersecurity Déjà Vu](https://leowe.com/n/cyber-security): Describes parallels in governmental demands for encryption key access

---

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---

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