Heritage Auctions Executive and Leadership Team

October, 2026

Leadership Overview

Heritage Auctions has 8 executives leading key functions including asset management, technology infrastructure, marketing strategy, operational logistics, human capital, and divisional oversight.

Committed to excellence in the collectibles market, Heritage Auctions delivers unparalleled expertise in consignment and acquisition to provide collectors with a premier global marketplace.

Leadership Roles at Heritage Auctions

  • Chief Operating Officer - Sam Spiegel
  • Division President - Nate Schar
  • President - Gregory Rohan
  • Chief Technology Officer - Justin Adams
  • Chief Marketing Officer - Michael Plummer
  • Chief Human Resources Officer - Melinda Howard
  • Chief Human Resources Officer - Margaret Howard
  • Managing Director - Caroline Tamposi
  • Sam Spiegel - Chief Operating Officer

    Sam Spiegel, the Chief Operating Officer at Heritage Auctions, directs the internal logistics and operational workflows that sustain the firm's auction cycles. Chief Operating Officer Spiegel oversees the physical handling, storage, and cataloging of thousands of collectible items, ensuring efficiency from intake to final delivery. By streamlining supply chain processes, the Chief Operating Officer minimizes overhead while maximizing the speed of auction preparation. Sam Spiegel manages the coordination between regional offices to ensure that operational standards remain uniform across all locations. This leadership role involves optimizing the use of warehouse facilities and logistics networks to support the company's high-volume business model. Through rigorous process improvement, Spiegel enhances the overall productivity of the organization. The Chief Operating Officer maintains a focus on operational excellence, ensuring that the logistical infrastructure supports the firm's ability to handle complex consignments and large-scale auctions with precision and reliability.
    Sam Spiegel

    Nate Schar - Division President

    Nate Schar, the Division President at Heritage Auctions, directs the strategic growth and operational success of specific high-value collectible divisions. Division President Schar oversees the curation and sales performance of specialized categories, ensuring that each division meets its revenue targets. By analyzing market data, the Division President identifies new opportunities for expansion within the collectibles sector. Nate Schar manages the relationships with key consignors and collectors, providing the expertise necessary to secure high-profile items for auction. This leadership role involves mentoring category experts and coordinating with marketing teams to promote divisional events. Through the application of deep industry knowledge, Schar drives the profitability of the division. The Division President maintains a focus on market leadership, ensuring that the specific categories under management remain the premier choice for collectors worldwide. By fostering innovation in cataloging and presentation, Schar enhances the value proposition for both buyers and sellers.

    Gregory Rohan - President

    Gregory Rohan, the President at Heritage Auctions, directs the overall corporate strategy and long-term vision for the firm's global operations. President Rohan oversees the integration of all business units, ensuring that the company maintains its position as a leader in the collectibles market. By coordinating with the executive team, the President drives the execution of major initiatives related to acquisition and market expansion. Gregory Rohan manages the relationships with the board and key stakeholders, providing the leadership necessary to navigate the complexities of the auction industry. This role involves setting the tone for the company's commitment to integrity, transparency, and client service. Through the oversight of major strategic partnerships, Rohan secures the future growth of the organization. The President maintains a focus on operational excellence, ensuring that the firm's business model remains resilient and adaptable to the changing needs of the global collector community.

    Justin Adams - Chief Technology Officer

    Justin Adams, the Chief Technology Officer at Heritage Auctions, architects the digital infrastructure supporting the firm's expansive online auction platforms. Chief Technology Officer Adams drives the development of secure bidding systems, ensuring that global participants experience seamless access to rare collectibles. By integrating advanced data analytics, the Chief Technology Officer optimizes the user interface to enhance engagement and conversion rates across diverse digital channels. Justin Adams manages the cybersecurity protocols necessary to protect sensitive client information and high-value transaction data. This role requires constant collaboration with operational teams to align technical capabilities with the evolving needs of the auction business. Through the implementation of scalable cloud solutions, Adams supports the rapid growth of the company's digital footprint. The Chief Technology Officer maintains a focus on innovation, ensuring that the technological backbone remains robust enough to handle the complexities of international bidding environments.
    Justin Adams

    Michael Plummer - Chief Marketing Officer

    Michael Plummer, the Chief Marketing Officer at Heritage Auctions, directs the global brand strategy and promotional campaigns for the firm's diverse range of collectible items. Chief Marketing Officer Plummer oversees the execution of multi-channel advertising initiatives designed to attract consignors and bidders from across the globe. By leveraging market research, the Chief Marketing Officer identifies emerging trends in the collectibles space to tailor messaging for specific demographics. Michael Plummer manages the creative direction of catalogs and digital content, ensuring that every presentation highlights the unique value of the items offered. This leadership role involves close coordination with sales teams to drive traffic to major auction events. Through strategic partnerships and targeted outreach, Plummer expands the reach of the company into new international markets. The Chief Marketing Officer maintains a focus on brand consistency, ensuring that the firm's reputation for quality remains at the forefront of all marketing communications.
    Michael Plummer

    Melinda Howard - Chief Human Resources Officer

    Melinda Howard, the Chief Human Resources Officer at Heritage Auctions, directs the talent acquisition and organizational development strategies focused on the firm's specialized workforce. Chief Human Resources Officer Howard oversees the recruitment of experts in various collectible categories, ensuring that the company retains deep domain knowledge. By implementing comprehensive training programs, the Chief Human Resources Officer fosters a culture of professional growth and expertise. Melinda Howard manages the performance evaluation systems that align individual contributions with the broader goals of the auction house. This leadership role involves designing compensation structures that attract top-tier talent in a competitive market. Through the development of internal communication channels, Howard ensures that the workforce remains engaged and informed about corporate objectives. The Chief Human Resources Officer maintains a focus on building a high-performance environment, ensuring that the human capital strategy supports the long-term success of the organization's diverse business units.

    Margaret Howard - Chief Human Resources Officer

    Margaret Howard, the Chief Human Resources Officer at Heritage Auctions, directs the employee relations and workplace culture initiatives that support the firm's administrative and support staff. Chief Human Resources Officer Howard oversees the implementation of policies that promote diversity, equity, and inclusion across all departments. By managing the benefits and wellness programs, the Chief Human Resources Officer ensures that the organization remains an employer of choice for professionals in the retail and auction sectors. Margaret Howard coordinates with department heads to address staffing needs and workforce planning requirements. This leadership role involves resolving complex personnel issues and maintaining compliance with labor regulations across the company's operational footprint. Through the cultivation of a positive work environment, Howard drives employee retention and satisfaction. The Chief Human Resources Officer maintains a focus on organizational health, ensuring that the internal structure remains agile and capable of supporting the company's evolving business demands.

    Caroline Tamposi - Managing Director

    Caroline Tamposi, the Managing Director at Heritage Auctions, directs high-value asset acquisition and client relations across the global collectibles market. Managing Director Tamposi oversees the strategic intake of rare items, ensuring that consignment processes align with the rigorous standards of the organization. By coordinating with specialized departments, the Managing Director facilitates the seamless transition of unique assets from private collections to the public auction block. Caroline Tamposi maintains deep connections with high-net-worth individuals, driving growth through personalized service and expert valuation insights. This leadership role involves constant monitoring of market trends to optimize inventory quality and auction performance. Through meticulous attention to detail, the Managing Director secures the reputation of the firm as a leader in the industry. Tamposi ensures that every transaction reflects the commitment to integrity and excellence that defines the company's long-standing presence in the retail sector.

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    Frequently Asked Questions Regarding Heritage Auctions Top Executives and Leadership Team

    Who leads Heritage Auctions?
    Heritage Auctions is led by Sam Spiegel (Chief Operating Officer), along with executives such as Nate Schar (Division President) and Gregory Rohan (President).
    Who is part of Heritage Auctions’s executive team?
    The executive team of Heritage Auctions includes leaders such as Sam Spiegel (Chief Operating Officer), Nate Schar (Division President), Gregory Rohan (President) and other senior executives.
    How many executives does Heritage Auctions have?
    Heritage Auctions has 8 executives leading key business areas.
    What roles are included in Heritage Auctions’s leadership team?
    The leadership team of Heritage Auctions includes roles such as Chief Operating Officer, Division President, President, Chief Technology Officer, Chief Marketing Officer.