Oscar Wallner

Founder · Orch (orch.build) 2025 – present · Stockholm

AI strategy and implementation for private equity and industrial companies.

• Embedded operator-partner engagements with PE investors, founders and senior executives — fund-level AI strategy through production systems inside operating companies.
• Engaged by a Nordic private equity firm as AI partner (from August 2026), following delivery of an investment-intelligence platform to the same group.
• Built and operate a governed autonomous AI development platform — the delivery engine behind every engagement (a tool, not a product).
• Delivered 15+ enterprise-grade systems across diligence intelligence, industrial feasibility, clinical-trial operations, supply-chain risk and commercial systems; validated by senior domain experts.

Founder & Principal · Oscar Wallner AB 2019 – present · Stockholm

• Strategic, commercial and capital advisory at executive and board level; private investments across AI, data infrastructure and industrial software.

Co-Founder, CCO & CFO · MTEK Industry AB 2019 – present · Stockholm · global

Industrial software (MES/MOM) for global manufacturing — zero to scale.

• Led commercial, financial and partnership strategy from zero to international scale; recognised by industry analysts as a global leader in its category. Customers in aerospace & defence, automotive and infrastructure equipment across Europe, North America and APAC.
• Raised $30M+ across equity, convertibles and debt from European and US institutional investors; CFO 2019–2021.
• Built the revenue architecture for long-cycle industrial buying; C-level partnerships with global hyperscalers, SIs and tier-one industrial groups.

Board Member & Investor · Norna AB 2019 – 2025 · Stockholm

• Early investor and board member, AI / Data-as-a-Service; led the Seed fundraising round.

Director, Corporate Banking · Citi 2011 – 2019 · Stockholm & New York

• P&L and balance-sheet responsibility for ~50% of Citi's Nordic corporate franchise across ~80 markets; multi-billion USD credit allocations; nine-figure revenue exposure; ~50% revenue growth on strategic accounts.
• Credit Officer with personal signing authority; banking coverage of Sweden's largest private-equity houses.
• EMEA IoT Lead · Nordic Digital Innovation Lead — strategic relationships across the Nordic startup ecosystem, including multiple unicorns.

Investment Officer · Swedfund International 2010 – 2011 · Stockholm

• Equity, debt and project-finance investments in emerging markets.

Analyst, Investment Banking · Lehman Brothers / Nomura 2007 – 2009 · London & Dubai

• Industrials and financial sponsors, Nordics and Middle East; structured products and cross-border financing through the GFC; top-5% performer; sovereign-wealth-fund stabilisation transactions.