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John Guarnieri has over 25 years of experience in private equity, investment banking and management consulting.

Mr. Guarnieri began his career at a Boston-based venture capital firm. Thereafter, Mr. Guarnieri moved within BankBoston’s corporate lending and merger & acquisition divisions.

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  • “John is a strategist who uses the keen business acumen that he has developed throughout the years combined with his relationship building skills to help companies both foresee and achieve their greatest potential. He would be an asset to any strategic operational team.”Belanne Ungarelli | Partner at PricewaterhouseCoopers

  • “John is brilliant, astute, and has a great intelligence for finance and operations. He has a passion to propel great financial growth in start-ups, small or large companies, to achieve higher profit margins and direct complex projects to completion.” – Karim Rashid | Konductor at Karim Rashid Inc.

  • “John has a unique skill set … strong analytical and financial acumen with the personality of a high performance sales pro. Great sounding board/advisor for early and mid-stage CEO’s, team player.”Jack Brennan | Managing Partner at GBS Growth Partners


Results-oriented executive business leader with demonstrated proficiency leading the turnaround and growth of complex businesses. 


Combine entrepreneurial drive and strong understanding of operations to deliver outstanding results, including restoring profitability to underperforming entities. 


Analyze and remediate performance and cash flow issues, including focusing on strategic operating improvements. 


Establish and maintain a culture of accountability, including programs and operations that continue to facilitate success and create enterprise value.


  • Asset Management

  • Strategy Formulation

  • Business Development

  • Project Planning & Execution

  • Financial Planning & Analysis

  • Contract Negotiation

  • Staff Leadership & Development

  • Purchasing & Strategic Sourcing

  • Banking Relationships

  • Turnaround & Restructuring

  • General Management

  • Systems & Process Implementation

  • Audits

  • Business Plan

  • Quality Assurance


MEGALO Restaurant Bookkeepers

MEGALO Enterprises

1801 NE 123rd Street | Suite 314 | North Miami, FL 33181
(786) 837 - 0254
Office Hours
Monday - Friday 8am - 5pm
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