Apriori Group
ENNO

Healthcare · Healthtech · Edtech · Technology

Apriori Group

I lead and serve on the boards of healthcare, healthtech, edtech and other technology companies in the Nordics, and invest alongside the owners.

Apriori Group

What I offer

Leadership, board expertise and capital from one person

For owners, boards and founders of healthcare, healthtech, edtech and other technology companies facing growth, turnaround or transformation.

  • Lead

    Interim CEO and executive leadership for turnaround, scale-up and the step from founder-led to professional.

  • Advise

    Board roles and advisory: strategy, fundraising, governance and international expansion.

  • Invest

    Selective ownership in healthtech, edtech and other technology companies, alongside the leadership and board work.

Get in touch

Why Apriori

Value that lasts, for owners, teams and society

What is Apriori? It is Kant’s idea that every human being has a worth we must respect. Truth and respect for people have never been more important.

The world is accelerating in every way. Inspired by Hartmut Rosa, I answer with resonance: deep listening, full engagement and being present in the world, because that is how sustainable progress is made.

I create value for shareholders, for the teams who build the company and for society, guided by core values that do not bend.

Logical conclusions from certain facts.

  • Long-term

    I think in decades, not quarters.

  • Critical and reflected

    I test every conclusion against the facts and my own values.

  • Resonant

    I listen deeply and engage fully.

Cases

Examples of what I have done

Select a case to see the company, the role and the results.

Scale-upFrom founder-led start-up to professional Nordic platformMedEasy · CEO 2021–2025

Recruited to professionalize a founder-led business and balance rapid commercial growth with organizational maturity. Today a portfolio company.

Company facts · MedEasy
MedEasy logo
Business
Scandinavia’s largest health education platform
Users
260,000 users · 96% average score
Videos
16.5 million videos watched
Learning
72.8 million questions solved
  • 2×Group revenue doubled during the tenure
  • 2×Product portfolio more than doubled across health subjects
  • SE · DKSwedish and Danish subsidiaries and a new management team
TurnaroundNordic turnaround of the market leader under PE ownershipBiomet · Regional Vice President, Northern Europe, 2011–2014

Full P&L across Denmark, Finland, Norway and Sweden, with just under NOK 500 million in revenue and 100+ employees. Biomet was the market-leading orthopaedic company in the Nordics.

Company facts · Biomet
Biomet logo
Founded
1977, Warsaw, Indiana, USA
Position
Market leader in orthopaedics in the Nordics
Listing
Originally traded on NASDAQ
Owners
Blackstone, KKR, Goldman Sachs, TPG
  • +24%Bottom line increase through restructuring and commercial focus
  • 4 to 1Standalone country operations merged into one Nordic organization
  • GrowthA two-year double-digit sales decline turned into positive growth
Commercial growthReviving growth and profitability in a national marketBiomet Norway · Managing Director, 2008–2011

Full P&L as Managing Director, then promoted to Regional Vice President. Led the Norwegian business through the 2007 take-private of its parent.

Company facts · Biomet
Biomet logo
Founded
1977, Warsaw, Indiana, USA
Listing
First traded on NASDAQ, delisted in 2007
Buyout
Completed September 2007 by a PE consortium
Buyers
Blackstone, KKR, Goldman Sachs, TPG
  • Double-digitSales growth in the strongest year, after two flat years
  • 2×EBITDA doubled during the tenure
  • 2007Parent delisted from NASDAQ and sold to a PE consortium
Venture buildingFrom concept to commercializationHy5 · Co-founder and CEO, 2015–2021

Developed the world’s first hydraulic, 3D printed hand prosthetic and led every function, from fundraising and manufacturing to regulatory approval and market entry.

Company facts · Hy5
Hy5 logo
Business
Norwegian medtech, co-founded 2015
Product
Hydraulic, 3D printed hand prosthetic
Site
Own manufacturing at Raufoss, Norway
Status
Restructured in 2022
  • NOK ~100MCapital raised, split 50/50 between private and public funding
  • 3 regionsRegulatory approvals and sales in Europe, the US and Australia
  • RaufossOwn manufacturing facility established in Norway
Public company governanceBoard leadership through growth and recapitalizationNorwegian Air Shuttle ASA · Board Director and Audit Committee member, 2015–2020

Through rapid growth, a pivot to profitability, strategic interest from industry players and a full recapitalization.

Company facts · Norwegian Air Shuttle ASA
Norwegian Air Shuttle logo
Founded
1993 · Fornebu · Oslo Børs: NAS
Business
Low-cost airline, long-haul transatlantic
Scale
36.2M passengers, 156 aircraft (2019)
Status
Board role ended 2020 · restructured 2021
  • +94%Revenue growth, from NOK 22bn to 43bn between 2015 and 2019
  • NOK 12.7bnDebt and lease obligations converted to equity in 2020
  • PivotFrom growth to profitability: NOK 3bn rights issue, asset sales
Financial servicesGovernance from start-up to listed bankBank Norwegian · Supervisory Board member, 2008–2017

Member of the Supervisory Board of Bank Norwegian and Norwegian Finance Holding, overseeing a digital-first bank from its early years to the IPO.

Company facts · Bank Norwegian
Bank Norwegian logo
Founded
2007 · Fornebu, Norway
Business
Digital bank: loans, cards and savings
Scale
1.7M customers in six markets (2021)
Path
Listed 2016 · acquired by Nordax 2021
  • 9 yearsFrom start-up through the 2016 listing on Oslo Børs
  • OversightAppointing board members and independent oversight of management
  • ComplianceRegulatory compliance and protection of stakeholder interests
Merger and integrationMerging two organizations into one social enterpriseForskerfabrikken · Chair since 2022

Scientist Factory and Forskerfabrikken became one company with one strategy, management team, financial system and culture.

Company facts · Forskerfabrikken
Forskerfabrikken logo
Founded
2002, Norway
Business
STEM courses, summer schools and learning tools
Reach
More than half a million children
Model
Social enterprise, reinvests its surplus
  • 2 to 1Companies merged under one strategy, management team and brand
  • StrongerImproved liquidity and profitability, with reduced external debt
  • 500k+Children inspired by courses, summer schools and experiments since 2002
Board rolesGovernance for technology and health scale-upsFive of more than 20 board roles
CompanySectorContributionYears
DefigoProptech · video intercomUS and Europe expansion, fundraising2019–2022
Snappit / WeorderMobile ordering · paymentsChair through rebrand and acquisition2016–2020
Styret.comProptech · housing SaaSStrategy, fundraising, product2016–2019
Dynamisk HelseHealthcare trainingStrategy, fundraising, growth2021–2023
GreinDXCancer diagnosticsGovernance, commercialization planning2021–now

These are a few of my board roles. In total I have served on more than 20 boards.

Governance and public serviceLong-term governance beyond the growth storyBiral · Melanor · Norway Health Tech · Vestre Aker · BI
  • Biral logo

    Biral

    Board member since 2012

    Family-owned lubricant producer, established in 1946. Long-term planning and generational continuity.

  • Melanor logo

    Melanor, part of NHO Geneo

    Board member, 2010–2016

    Then LFH, later Medtek Norge, now Melanor within NHO Geneo. Turned a purchasing forum into a full industry association for medical and welfare technology.

  • Norway Health Tech logo

    Norway Health Tech

    Election committee, 2020–2024

    Nominated board candidates for Norway’s leading health innovation cluster.

  • Bydel Vestre Aker logo

    Vestre Aker, Oslo

    Borough council, 2015–2019

    Publicly elected, and a member of the health and social committee.

  • BI Norwegian Business School logo

    BI Norwegian Business School

    Mentor for Executive MBA students, every year since 2012

    An independent foundation established in 1943, with more than 20,000 students on campuses in Oslo, Bergen, Stavanger and Trondheim. BI holds the three leading international accreditations (AACSB, EQUIS and AMBA), known as the Triple Crown, held by fewer than 1 % of business schools worldwide.

Reference customers

Organizations I have worked with

  • Telenor logo
  • SINTEF logo
  • Norwegian logo
  • Bank Norwegian logo
  • Biomet logo
  • DNV logo
  • Innovasjon Norge logo
  • Oslo MedTech logo
  • Defigo logo
  • Forskerfabrikken logo
  • Hy5 logo
  • MedEasy logo
  • GreinDX logo
  • Styret.com logo
  • Biral logo
  • Melanor logo
  • Norway Health Tech logo
  • Snappit / Weorder logo
  • Joint Biomed logo
  • Dynamisk Helse logo

Principal

Christian Fredrik Stray

Christian Fredrik Stray

Interim CEO, board member and investor, with 20+ years as CEO and board director across healthcare, medtech, aviation, education and technology.

I combine hands-on operational leadership with a strategic board perspective. Through Apriori Group I also hold ownership in GreinDX, MedEasy, Styret.com and Biral.

  • Education

    Executive MBA, ESCP Europe · B.Sc. Biomedical Engineering, Wright State University

  • Executive programs

    Notre Dame Mendoza, CBS Executive and Carlson School of Management

  • Languages

    English · Norwegian · Danish · Swedish

Contact

Let’s talk about your next step

Available for interim CEO roles, board and advisory assignments, and selected investments in healthcare, healthtech, edtech and other technology companies facing transformation, growth or turnaround.

Christian Fredrik Stray
Apriori Group

Based in
Oslo, Norway