Ryan Stenhouse

CTO/VP Engineering | IPO Experience | Platform & Security Leader | Building & Scaling Organizations Across APAC
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Shibuya, Tokyo
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linkedin.com/in/ryanstenhouse
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ryanstenhouse.dev
Technical executive with 20+ years scaling B2B SaaS from startup through IPO. Led Tripla's post-IPO platform organization across 6 countries, combining deep expertise in compliance (ISO 27001, PCI DSS) with secure, scalable infrastructure. Managed ¥55M+ budgets while delivering 99.999% uptime.

Work Experience

Beatrust Corp.

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Head of Platform
Jan 2025 - Current
  • Executive responsibility for Platform, Security, Compliance, and Quality across the organization.
  • Led ISO 27001:2022 (ISMS) certification in collaboration with C-suite, achieving zero nonconformities (08/2025) - critical for funding readiness and customer acquisition.
  • Established security-first development culture and shift-left QA practices, directly improving customer retention and enterprise deal velocity.

Tripla Co., Ltd

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Platform Leader
Feb 2022 - Dec 2024
  • Post-IPO technical leadership across 6 countries
  • Led platform strategy for M&A integration of 5 acquired companies, reducing operational costs and aligning workflows
  • Managed ¥55M+ budget while achieving 99.999% uptime across all properties
  • Built unified platform engineering culture across Japan, Indonesia, Singapore, Thailand, Taiwan, and Korea

Tripla Co., Ltd

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Senior System Architect
Dec 2019 - Feb 2022
  • Scaled platform team 0→7 while architecting for IPO
  • Led technical due diligence for successful Tokyo Stock Exchange listing
  • Established infrastructure foundation supporting international expansion
  • Led vendor evaluation process for security tools and negotiated enterprise-level contracts, reducing per-seat costs by up to 65%.
  • Aligned technical roadmaps with business objectives, translating complex concepts for C-suite stakeholders and securing executive buy-in for critical infrastructure investments.

Tripla Co., Ltd

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Senior Software Engineer
Feb 2018 - Dec 2019
  • Early engineering hire; proposed and prototyped booking engine pivot that transformed company revenue model.

Allm Inc

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Senior Software Engineer
Sep 2014 - Feb 2018
  • Led global B2B SaaS platform development serving thousands of retail stores worldwide; reduced cost-per-customer by 90%.

Arkilon Ltd

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Founder (CTO / CEO)
Apr 2022 - Current
  • Founded and led SaaS and e-commerce ventures with international reach (Japan, UK, APAC). Built and scaled B2B and consumer platforms with AI, LLM, and sentiment analysis

The Happy Geek Ltd

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Founder (Managing Director)
Dec 2010 - Oct 2014
  • Delivered SaaS products and managed global client projects across five countries while founding Converge, Scotland's first all-of-industry technology conference.

Education

University of Abertay Dundee

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BSc (Distinction) Computing
Sep 2002 - Nov 2004

Fife College

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HND Software Engineering
Sep 2000 - Aug 2002

Skills

Technology Leadership
SaaS architecture, product development, global team scaling, IPO readiness, executive communication
Security & Compliance
ISO 27001:2022, PCI DSS, Privacy Mark, OWASP, secure development practices
Infrastructure & DevOps
Cloud strategy (AWS, GCP), DevSecOps, cost optimization, reliability at scale
AI & Data
LLMs, RAG, BERT, computer vision, data warehousing & analytics
Languages
Native English. Improving Japanese proficiency toward business level (formal study ongoing).