Victor Ehrnrooth

Professional

Victor Ehrnrooth

Stockholm, SE (open to relocation) · victor.ehrnrooth2@gmail.com

Fast-learning, execution-focused associate with extensive experience managing multi-party projects across energy, tech, and defence. Co-created CxO initiatives, identified market expansion strategies, and improved operations at McKinsey. Led military units in field exercises, scaled operations at an early-stage startup, and performed critical energy market modelling at a leading engineering firm. Commended for high-pace execution, analytical skill, and operational excellence.

Section 01

Experience

McKinsey & Company , Stockholm, Sweden

September 2025 - Present

Junior Associate

Selected list of projects follows.

  • Operations Excellence & Growth Acceleration, TMT: B2B SaaS

    Produced company-first granular churn-risk model to categorise >4,000 accounts by churn risk and co-create growth and churn management strategies and new customer success (CS) operating procedures with the CS executive team.

  • Growth Acceleration, Energy: BESS & Clean Technology

    Led critical expansion workstreams, conducting diagnostics into energy market revenues, regulations, and deployment timelines for BESS across 10+ geographies while coordinating deployment of new market functions and legal organs.

  • Operations Excellence, Energy: Heat pumps & Clean Technology

    Benchmarked best-in-class players against internal practices to identify opportunities for heat-pump installation optimisation at scale.

  • Vendor Commercial Due Diligence, Private Equity: Infrastructure & B2C Software

    Analysed competitive landscape in Nordic software and infrastructure markets, informing fund investment decisions.

AFRY Engineering Consultancy , Oxford, UK

June 2024 - September 2024

Energy Intern (Energy modelling; received full-time offer)

  • Independently developed a foundational data extraction workstream for the most advanced European energy model (BID3), utilising SQL, R, and Excel to deliver cutting-edge system analysis for key UK energy market stakeholders.

Finnish Defence Forces - Finnish Marines , Raseborg, Finland

July 2022 - June 2023

Second-Lieutenant (Military service & officer school)

  • Led battalion-level signals operations for a Marine Staff and Signal Company, directly coordinating communications for 150+ soldiers in simulated combat and international exercises.
  • Recognised for excellence via the Raseborg Dutiful Service Award and graduated with distinction from the Reserve Officer School (RUK) (7% admissions rate nationally).

Berri.io , Philadelphia, USA

October 2020 - October 2021

COO (Early stage social media start-up, 5,000+ users)

  • More than doubled user base to 5,000+ and won competitive UPenn Innovation Fund support by leading pitch efforts and marketing operations, supported by proprietary R-based parsing algorithms and financial scenario modeling.

Section 02

Education

University of Oxford , Oxford, UK

July 2025

Master of Philosophy, Distinction

  • Distinction in all courses and thesis; top 5 (out of 70+) in cohort overall.
  • Thesis: "Publish, Perish, or Pivot: Project Completion and Alignment Under an Uncertain Bayesian Signalling Framework".
  • Microeconomics tutor for second-year undergraduates; Team Lead at The Oxford Strategy Challenge.

University of Pennsylvania , Philadelphia, USA

May 2022

Bachelor of Arts, Honours, Summa Cum Laude

  • Major: Mathematical Economics. Cumulative GPA: 3.98 / 4.00.
  • Department Liaison, Economics Advisory Board.
  • Board Member, International Student Advisory Board.

Section 03

Additional

Languages
Fluent English, Swedish, Portuguese, and French; Intermediate Finnish; Elementary Spanish and Polish.
Technical
Intermediate Cursor, Python (ML/data: scikit-learn, PyTorch, Pandas, NumPy) and R; beginner SQL.
Citizenships
Brazilian and Finnish (right to work across the European Union and MERCOSUR).