ONE Sotheby's International Realty Executive and Leadership Team

July, 2026

Leadership Overview

ONE Sotheby's International Realty has 5 executives leading key functions including strategy, operations, sales, administration, and development.

Driven by a commitment to excellence, ONE Sotheby's International Realty is dedicated to providing unparalleled luxury real estate services and development opportunities across Florida's East Coast, shaping the market with expert guidance and exclusive listings.

Leadership Roles at ONE Sotheby's International Realty

  • Chief Executive Officer & Founder - Mayi De
  • President & Chief Executive Officer - Daniel Vega
  • Founder & Chief Executive Officer - Mayi de la Vega
  • Chief Sales Officer - Seth Kaufman
  • Chief Administrative Officer (CAO) - Vanessa Stabile
  • Mayi De - Chief Executive Officer & Founder

    Mayi De, the Chief Executive Officer & Founder at ONE Sotheby's International Realty, directs the overarching strategy and vision for the luxury real estate firm. This leadership role involves guiding the company's expansion along Florida's East Coast, ensuring alignment with the founding principles of providing premier development opportunities and exclusive property listings. De's strategic direction focuses on maintaining the company's position as a leading source for high-end real estate transactions. The Chief Executive Officer & Founder cultivates key relationships with developers and stakeholders, driving innovation in market penetration and client service. This executive's influence extends to shaping the company culture and operational excellence, ensuring consistent delivery of superior service. Mayi De's foundational role is critical to the firm's sustained success and market leadership in the luxury segment.

    Daniel Vega - President & Chief Executive Officer

    Daniel Vega, the President & Chief Executive Officer at ONE Sotheby's International Realty, executes the strategic initiatives that propel the company's growth and market presence. This executive oversees daily operations, ensuring seamless service delivery across all Florida East Coast markets. Vega's leadership focuses on optimizing sales performance and expanding the firm's portfolio of luxury properties and development projects. The President & Chief Executive Officer collaborates with department heads to foster a high-performance culture and drive operational efficiencies. Daniel Vega's responsibilities include managing key partnerships and exploring new avenues for business development, directly impacting revenue generation and market share. This role is central to maintaining the company's reputation for excellence and its ability to navigate the dynamic luxury real estate landscape.

    Mayi de la Vega - Founder & Chief Executive Officer

    Mayi de la Vega, the Founder & Chief Executive Officer at ONE Sotheby's International Realty, establishes the core vision and strategic direction for the organization. This leadership position involves setting the standard for luxury real estate services and development opportunities across Florida's East Coast. De la Vega's influence shapes the company's market approach, emphasizing innovation and client-centric solutions. The Founder & Chief Executive Officer cultivates relationships with industry leaders and stakeholders, driving the firm's expansion and reinforcing its premier status. Mayi de la Vega's strategic oversight ensures the company remains at the forefront of the luxury property market, guiding its evolution and commitment to exceptional service. This executive's foundational impact is integral to the firm's ongoing success and market differentiation.

    Seth Kaufman - Chief Sales Officer

    Seth Kaufman, the Chief Sales Officer at ONE Sotheby's International Realty, directs all sales operations and revenue generation strategies across the company's Florida East Coast territories. This executive spearheads initiatives to expand market share and enhance sales team performance, ensuring the firm consistently achieves its growth objectives. Kaufman's leadership focuses on optimizing the sales funnel, driving client acquisition, and fostering strong relationships with buyers and sellers in the luxury real estate segment. The Chief Sales Officer collaborates closely with marketing and development teams to align sales efforts with broader company goals. Seth Kaufman's strategic approach to sales management is critical for maximizing property transactions and reinforcing the company's position as a leader in luxury real estate. This role directly impacts the firm's financial success and market penetration.
    Seth Kaufman

    Vanessa Stabile - Chief Administrative Officer (CAO)

    Vanessa Stabile, the Chief Administrative Officer (CAO) at ONE Sotheby's International Realty, oversees the critical administrative functions that support the company's extensive operations across Florida's East Coast. This executive ensures the efficiency and effectiveness of internal processes, including human resources, legal compliance, and operational support for sales teams. Stabile's leadership focuses on streamlining workflows and implementing best practices to enhance productivity and maintain a high standard of corporate governance. The Chief Administrative Officer (CAO) plays a vital role in managing resources and mitigating risks, ensuring the smooth execution of business strategies. Vanessa Stabile's dedication to operational excellence underpins the firm's ability to deliver exceptional client service and manage complex real estate transactions. This role is fundamental to the company's stability and sustained growth.
    Vanessa Stabile

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    Frequently Asked Questions Regarding ONE Sotheby's International Realty Top Executives and Leadership Team

    Who leads ONE Sotheby's International Realty?
    ONE Sotheby's International Realty is led by Mayi De (Chief Executive Officer & Founder), along with executives such as Daniel Vega (President & Chief Executive Officer) and Mayi de la Vega (Founder & Chief Executive Officer).
    Who is part of ONE Sotheby's International Realty’s executive team?
    The executive team of ONE Sotheby's International Realty includes leaders such as Mayi De (Chief Executive Officer & Founder), Daniel Vega (President & Chief Executive Officer), Mayi de la Vega (Founder & Chief Executive Officer) and other senior executives.
    How many executives does ONE Sotheby's International Realty have?
    ONE Sotheby's International Realty has 5 executives leading key business areas.
    What roles are included in ONE Sotheby's International Realty’s leadership team?
    The leadership team of ONE Sotheby's International Realty includes roles such as Chief Executive Officer & Founder, President & Chief Executive Officer, Founder & Chief Executive Officer, Chief Sales Officer, Chief Administrative Officer (CAO).