Scaling B2B SaaS from Startup to Acquisition.

I bridge deep product & engineering expertise with strong commercial acumen to help mid-sized SaaS & PaaS companies scale operations, build international ecosystems, and deliver real financial impact.

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Jethro Borsje presenting on stage

Core Pillars of Expertise

Product & Tech Scaling

Transforming complex development structures into mature, high-performing Engineering and Product Management departments. Deploying Technical Customer Success functions to optimize key enterprise account retention.

Ecosystem & GTM Growth

Forging high-impact global strategic alliances with hyperscalers and global systems integrators (AWS, SAP, GSIs, ISVs) to capture market share and establish net-new revenue engines.

M&A and Integration

Navigating technology and organizational architectures through major transitions—from early validation stages to executing 8-figure corporate acquisitions and driving post-merger integrations.

Executive Track Record

Chief Product & Technology Officer
Lobster Data
2025 – Present
  • Lead end-to-end engineering, product management, infrastructure, services, support, and sales engineering.
  • Transformed internal development frameworks into an expanded, highly scalable Engineering department.
  • Structured a modern Product Management capability and turned the technical services arm into a profitable operational unit.
  • Launched an expansive digital academy to drive ecosystem-wide product adoption.
Chief Ecosystem Officer (MT)
Mendix (A Siemens Business)
2021 – 2024
  • Founded, scaled, and managed the Global Ecosystem business unit with full P&L accountability.
  • Co-developed strategic business frameworks with enterprise giants including AWS, SAP, and major GSIs.
  • Generated double-digit million alliance revenue streams while accelerating international market validation.
  • Successfully directed the operational integration and organizational restructuring of TimeSeries into the Mendix organization.
Chief Technology Officer
TimeSeries
2017 – 2021
  • Oversaw corporate innovation roadmap, product deployment strategy, and global footprint development.
  • Scaled corporate headcount smoothly from early-stage founding roots to over 130 employees across 3 countries (NL, DE, US).
  • Led the technical and executive processes culminating in an 8-figure corporate acquisition by Mendix in 2021.
Software Architect / Lead Developer
Dutch Ministry of Security & Justice
2010 – 2015
  • Modernized legacy infrastructure and architectures, instantiating robust automated testing and delivery routines.
  • Provided direct tech advisory to senior government management regarding public procurement tenders and high-risk critical IT programs.
Jethro Borsje close-up portrait

The Strategic Mind Behind the Tech

I don't fit into the typical corporate executive mold. I began my journey inside the codebases—building semantic web solutions leveraging AI & ML, researching NLP architectures, and designing complex web applications as an entrepreneur.

When presenting on key stages to thousands of industry peers, I bring my genuine self. I believe true engineering leadership doesn't hide behind stuffy conventions—it shows up authentically, communicates transparently, and aligns deep technical decisions directly with commercial strategy.

Today, I focus on helping mid-sized companies unlock complex scaling gridlocks, build thriving digital partner ecosystems, and structure themselves for high-stakes valuations or integrations.

Academic & Technical Credibility

Erasmus University Rotterdam

MSc Economics & ICT (Cum Laude) — GPA 9/10

BSc Informatics & Economics — GPA 8/10

Patents & Research

Inventor & Patent Holder: Ontology-based semantic text processing method (Patent NL1034874).

Published multiple peer-reviewed scientific papers focused on the Semantic Web and Natural Language Processing.

Speaking & Keynotes

Regular speaker at large international enterprise tech gatherings on SaaS scaling, ecosystem growth engines, and structural technology strategy.