The person behind the process.
NYSIDI is founded and led by Antoinette Khamsopa — a construction manager who built the firm around a simple conviction: that the discipline behind a project matters as much as the structure it produces.
Led with consistency, resilience, and accountability.
Construction has never been about simply building structures for me. It has always been about understanding the process behind them — how projects come together, how problems are solved, and how planning, people, and execution ultimately determine success.
That conviction is the foundation of NYSIDI. Antoinette built the firm around the things that actually decide whether a project succeeds: understanding budgets, coordinating teams, anticipating challenges before they become problems, and maintaining clear communication from the first conversation through final delivery.
Leadership, in her words, is less about titles and more about consistency, resilience, and showing up every day prepared to solve problems — the quiet, dependable work of being accountable for how a project comes together.
Practical leadership, built on relationships.
Antoinette leads NYSIDI hands-on. Her approach centers on practical leadership, accountability, and the relationships that hold a project together — with owners, architects, engineers, trades, and the communities the work serves.
She is, deliberately, a female founder in a field that has long been male-dominated — and she treats that as an asset she has earned rather than a label she wears. The firm's New York State WBE and federal WOSB certifications are part of that standing, but the day-to-day measure is simpler: work managed well, promises kept, and clients who would build with her again.
How she works
Plan first
The work that decides a project happens before construction starts — in budgeting, scope, and a realistic schedule.
Own the outcome
One point of accountability for budget, schedule, and quality — no gaps between the people responsible.
Communicate
Clear, steady communication so owners always know what is being built, what it costs, and where it stands.
Build relationships
Long-term relationships with owners, designers, and trades — the network that makes good work repeatable.
On the name.
NYSIDI — New York Sustainable Infrastructure Development Initiatives — was born out of a 2018 initiative centered on sustainable communities and infrastructure. That orientation still shapes how Antoinette thinks about building: not just the structure, but its place in a community and its value over time.
It continues today, including current involvement in housing initiatives that align with long-term community growth across New York State.
See how the firm works →Work with NYSIDI.
Every project starts with a conversation. Tell us what you're planning and Antoinette's team will take it from there.