Marcello Castellano


marcello castellano

Marcello Castellano brings over 20 years of accounting and finance experience to Browne Consulting. Marcello joined us as a Director, and now leads a direct team of four. He is responsible for a total of 15 employees. He has worked with clients through many of their milestones, from early-stage discovery through Phase 1 clinical trials. Marcello advises clients on a variety of operational accounting and finance-related matters, such as the initial accounting function set-up and scaling, internal controls, processes and policies, budgeting/forecasting, and audit readiness and support.

Prior to Browne Consulting, Marcello started his career working in public accounting at PWC where he worked in the audit, global capital markets and financial due diligence groups. After public he worked in outsourced accounting and finance roles for start-ups as well as finance effectiveness for PE-backed companies.

marcello castellano


University of Massachusetts, Amherst - B.B.A. in Accounting

Years of Experience

20 Years

Notable Financial Milestones of Clients Supported by Marcello:

Our Standards Set us Apart

Browne Consulting is committed to providing the highest standard of service to our clients every step of the way. As a trusted extension of your team, we offer consistency, as well as custom solutions backed by years of industry expertise. 

Mark Mele, CPA, MSA


Mark Mele brings over eight years of accounting and finance experience to Browne Consulting Group. Mark joined our team as a Controller, and now leads a team of one overseeing several newer clients who eagerly await their next significant R&D milestones. His areas of expertise are operational accounting, audit/tax preparation and support, accounting system implementation, management/investor financial reporting, budgets, and forecasts.

Prior to Browne Consulting Group, Mark worked at RSM in the Assurance practice serving clients in the renewable energy, manufacturing, and construction industries. After RSM, Mark worked at Cambridge Health Alliance as an Accounting Manager.

Q: What is your favorite quote or mantra, and why?

A: “Be a goldfish” – Ted Lasso

According to Ted Lasso, the happiest animal on Earth is a goldfish because it has a ten second memory. While one should learn from their mistakes, there is no need to dwell on them. Learn and move on.

Q: What are you passionate about outside of work?

A: I play in numerous recreational sports leagues.

Mark Mele


Boston College
M.S. in Accounting 

Bentley University
B.S. in Corporate Finance and Accounting 

Years of Experience

Eight Years

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