Company Overview

Brownstone NYC (BNYC) is a family owned and managed real estate investment & renovations company. It provides full-service renovations and rehabilitation services for single family & multi-family properties in New York and New Jersey. BNYC has successfully executed 100+ diverse transactions, representing $800M+ of in committed capital, ranging from gut renovations of distressed residentials for resale to providing new homes for new homeowners.

Our Team

BNYC’s management team and advisers have over 100 years combined experience as entrepreneurs, real estate professionals, investment bankers, private equity investors, architects, and construction professional, which uniquely positions it to leverage a diverse network of Investors, Bankers, Hedge Funds, Hard Money Lenders and Financial institutions.

Management Team

Advisory Board

Picture of   Amadou Sanankoua
Amadou Sanankoua

Managing Director, OnPoint Africa Group

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Amadou is the Founder and Managing Director of OnPoint Africa Group, a strategy consulting firm based in Paris, Chicago and Mauritius but with a focus on Africa. Prior to Onpoint Africa, Amadou spent 10 years with the Boston Consulting Group, where he was a Principal in their Chicago Office. There his functional  focus was on corporate development, merger & acquisitions support, and operational turnarounds. His industry focus included Industrial Goods, Consumer packaged goods and private equity fund portfolio companies. In North america, Brazil, and the EMEA region. Prior to BCG, Amadou was an engineering trainee with Honneywell Building Control systems division. There he supported senior engineers in the development of HVAC controls systems for commercial applications. Amadou holds a Bachelor in Mechanical Engineering from Northwestern University, and an MBA in Entrepreneurial management and Finance from The Wharton School at the University of Pennsylvannia

Picture of  David Boaretto
David Boaretto

Chief Executive Officer, Chaocorp Développement

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David Boaretto brings a versatile experience with a career spanning over 20 years in the legal world, in finance and in the art world. He is the CEO and on the board of several film investment funds, a gallery director with the Sarti Gallery, a leading gallery in the art world specialised in 14th to 18th century Italian paintings and sculptures based in Paris and a Film Producer with Radical Films, a film production company based in Los Angeles. He holds a Master’s Degree in Business and Contract law from the University of Paris II Panthéon-Assas (Magistère Juriste d’Affaires – DJCE) and an MBA from ESSEC Business School. David previously worked in M&A at Merrill Lynch.

Picture of Nvalaye Kourouma
Nvalaye Kourouma

Chief Digital Officer RoA, Barclays Africa Group Limited

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Mr. Kourouman is an entrepreneurial international executive with experience leading digital financial services innovation and transformation in global banks and fintech start-ups.

Extensive management experience with The Coca-Cola Company, Citigroup and Standard Chartered Bank. Strategic thinker with a focus on driving result. MBA Harvard Business School with 1st Year Honor (Top 10% of the class).

Successfully developed, launched and managed various emerging digital products and channels: mobile wallet, mobile money, P2P, bill payment, money transfer, mobile/online banking, ecommerce and mcommerce.

Picture of Frank Mercado
Frank Mercado

Managing Director, Fair Market Value Consultants

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At the age of fifteen, Mercado-Valdes became the Florida Junior Olympic boxing champion, and won the state’s Golden Gloves Lightweight Championship in 1979. He graduated from Coral Gables Senior High School in 1980, and received his A.A. degree in political science from Miami-Dade Community College in 1983. Mercado-Valdes went on to earn his B.S. degree in political science from the University of Miami in 1985. 

Mercado-Valdes secured the weekend syndication rights of the popular police drama New York Undercover, making The African Heritage Network the first minority-owned company to purchase a major network series for syndication. In 1997, Mercado-Valdes also purchased the rights to Kensington Publishing Group’s Arabesque Books, the first and only African American romance book line. In 2002, Mercado-Valdes developed the televisions shows The Source: All Access, based on the popular hip-hop magazineThe Source, and N’Gear, a behind-the-scenes look at urban fashions, designers, and models. 

In 2003, Mercado-Valdes secured syndication and production rights for Showtime at the Apollo. He resigned from The Heritage Network in 2004, and served as the chief strategic officer for Soul of the South Television from 2011 to 2014. Mercado-Valdes became the managing director of Fair Market Value Consultants and the executive director of San Juan Hill Partners in 2016.

Picture of Bruno Surpris
Bruno Surpris

Senior Manager, Capgemini

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Bruno Surpris

Senior Manager,


Mr. Surpris has over 17 years of professional experience in the Information Technology field. In addition to being the President of his IT consulting firm, he is a Director in the IT Quality Assurance Department at Healthfirst, an $8 Billion Managed Care Company based in New York City.

Prior to this role he was the Assistant Vice President in charge of the Test Environment Management Group (TEMG) at Moody’s Corporation, a major institutional credit rating agency. 

Mr. Surpris has held various roles in the Information Technology field such as systems implementation consultant, application support, application development, and application support management. He began his career at Deloitte & Touche where he implemented customized system solutions for various clients. He subsequently held various technical and leadership roles at McKinsey & Company, AIG, Fortress Investment Group, Barclays Capital, and JP Morgan where he was the Vice President of Private Equity Technology.

Mr. Surpris has a Bachelors in Finance and Information Systems and an MBAin Operations Management and Information Systems from NYU Stern School of Business