Dave Rosin, Finance Expert in Portland, ME, United States
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Dave Rosin

Verified Expert  in Finance

Growth Expert

Portland, ME, United States
Toptal Member Since
November 11, 2022

Dave is a lead strategy and execution expert with a solid track record advising clients in B2C retail, CPG, pet, and consumer-focused PE industries through a combination of strategy, commercial ops, and interim executive roles. He spent nearly a decade consulting at McKinsey and Monitor Deloitte. Dave led McKinsey's service line focused on driving B2C top-line growth transformations and, most recently, was an executive of a pet supplement startup, leading sales and business development.

Career Highlights

Rosin Consulting
Junior Partner
McKinsey & Company

Case Studies

Work Experience


2021 - PRESENT
Rosin Consulting
  • Supported CEOs, board members, and C-suite executives on topics surrounding growth and transformative performance across a variety of D2C industries, including retail, consumer goods, restaurants, and pet.
  • Assumed interim C-suite roles at clients' organizations to help drive the execution of strategies.
  • Supported global organizations in their growth ambitions, helping set up the infrastructure required to capture their growth potential.
Focus areas: Strategy, Consulting, Growth Strategy, Growth, Commercial Operations

Board Member & Interim Partner

2021 - PRESENT
Torinit Technologies
  • Advised the CEO and founder in creating an infrastructure to realize growth aspirations.
  • Participated in monthly strategy sessions and quarterly reviews to assess performance and roadblocks.
  • Served as an interim partner to help drive client success.
Focus areas: Startup Consulting

Vice President, Sales & Business Development

2021 - 2022
ElleVet Sciences
  • Managed a B2B sales team of 12, having turned around the business from a declining business unit to around 15% YoY growth.
  • Spearheaded business development efforts, fostering partnerships with major retailers, CPG companies, and veterinary consolidators to expand our portfolio and offering into new channels and markets.
  • Led international sales and operations, including the successful launch into four new European countries and the opening of our European headquarters.
Focus areas: Sales, Business Development, Strategy

Junior Partner

2016 - 2021
McKinsey & Company
  • Advised C-suite and senior executives in transformative performance improvement through a combination of corporate strategy, data-driven analytics, and rigorous performance management.
  • Led the B2C growth transformation service line and developed the toolkit to help clients re-imagine their performance trajectory and set up the transformation infrastructure to capture their growth.
  • Supported client transformations across several geographies and industries, focusing on retail, consumer goods, and other B2C industries.
Focus areas: Growth Strategy, Growth, Commercial Strategy, Strategy, Strategic Planning & Execution

Engagement Manager

2014 - 2016
Deloitte | Monitor Deloitte
  • Advised clients on corporate growth strategy decisions, focusing on growth option development and scenario planning.
  • Co-led training and development around Monitor Deloitte's strategy intellectual property. Topics included: scenario planning, strategic choice structuring, and portfolio optimization.
  • Supported clients globally on their growth ambitions and articulated their strategy.
Focus areas: Growth Strategy, Commercial Strategy
2006 - 2010

Bachelor of Commerce Degree in Global Strategic Management & International Business

McGill University - Montreal, Canada

Output Software

Microsoft Excel, Microsoft PowerPoint


Due Diligence

Industry Expertise



Strategy, Growth Strategy, Commercial Strategy, Strategic Planning & Execution, Sales, Business Development, Consulting, Commercial Operations, Startup Consulting, Sales Transformation, B2B2C, Growth, Business to Business to Consumer (B2B2C)

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