The Kolter Group Executive and Leadership Team

October, 2026

Leadership Overview

The Kolter Group has 8 executives leading key functions including investment strategy, operational oversight, financial management, regional development, and urban real estate expansion.

Focused on delivering high-quality residential and commercial projects, The Kolter Group maintains a commitment to excellence in real estate development and investment across the United States.

Leadership Roles at The Kolter Group

  • Chief Financial Officer - Bill Johnson
  • Chief Operating Officer - Howard Erbstein
  • Regional President - Brian Van Slyke
  • President - Jeff Quinlivain
  • President - Robert Rademacher
  • Division President, Southeast Florida - Victoria Imhoff
  • President, Kolter Urban - Robert Vail
  • Managing Director - Mike Griffin
  • Bill Johnson - Chief Financial Officer

    Bill Johnson, the Chief Financial Officer at The Kolter Group, oversees the financial health and fiscal planning of the entire real estate development enterprise. Managing complex capital structures, the Chief Financial Officer directs budgeting, forecasting, and financial reporting processes. This leadership role involves securing project-specific financing and managing relationships with lending institutions to support ongoing development initiatives. By analyzing financial data, Bill Johnson identifies cost-saving opportunities and optimizes the firm's balance sheet for sustained growth. The Chief Financial Officer ensures compliance with regulatory requirements and maintains transparency in all fiscal operations. Through rigorous financial oversight, the Chief Financial Officer supports the firm's ability to execute large-scale investments. Johnson provides the necessary financial intelligence to guide executive decision-making, ensuring that every project remains economically viable and aligned with the long-term financial objectives of the organization.

    Howard Erbstein - Chief Operating Officer

    Howard Erbstein, the Chief Operating Officer at The Kolter Group, manages the internal business processes and operational workflows that support large-scale real estate development. Coordinating between departments, the Chief Operating Officer ensures that project timelines remain on track and within budget constraints. This leadership role involves optimizing resource allocation to improve efficiency across all active construction sites. By implementing standardized operational protocols, Howard Erbstein drives consistency in project delivery and quality control. The Chief Operating Officer monitors the performance of internal teams to ensure seamless execution of development plans. Through the integration of advanced project management systems, the Chief Operating Officer enhances the firm's ability to scale operations effectively. Erbstein maintains a focus on operational excellence, ensuring that every development phase aligns with the broader strategic goals of the organization.
    Howard Erbstein

    Brian Van Slyke - Regional President

    Brian Van Slyke, the Regional President at The Kolter Group, directs development activities and market expansion within specific geographic territories. Overseeing regional operations, the Regional President ensures that local projects meet the firm's high standards for quality and design. This leadership role involves building relationships with local stakeholders, government officials, and community partners to facilitate smooth project approvals. By monitoring regional market dynamics, Brian Van Slyke identifies emerging trends that inform development strategies. The Regional President manages the performance of regional teams, ensuring that every project contributes to the overall success of the firm. Through the execution of localized growth plans, the Regional President expands the footprint of the organization. Van Slyke maintains a focus on regional market penetration, ensuring that the firm remains a dominant force in the real estate development landscape.

    Jeff Quinlivain - President

    Jeff Quinlivain, the President at The Kolter Group, leads the strategic direction and overall business operations for the firm's residential development division. Overseeing the lifecycle of residential projects, the President ensures that every community reflects the firm's commitment to quality and innovation. This leadership role involves coordinating with design, construction, and sales teams to deliver exceptional living environments. By driving the vision for new residential developments, Jeff Quinlivain ensures that the firm remains competitive in the housing market. The President monitors project performance and customer satisfaction metrics to maintain the firm's reputation for excellence. Through the strategic management of residential assets, the President supports the firm's growth objectives. Quinlivain fosters a culture of collaboration and accountability, ensuring that every team member contributes to the successful delivery of high-end residential communities.

    Robert Rademacher - President

    Robert Rademacher, the President at The Kolter Group, directs the strategic planning and execution of commercial real estate development projects. Overseeing the commercial portfolio, the President ensures that every asset maximizes value and meets the needs of modern tenants. This leadership role involves identifying prime locations for commercial development and managing the entire construction process from inception to completion. By analyzing commercial market demand, Robert Rademacher shapes the firm's approach to office, retail, and mixed-use developments. The President coordinates with leasing and property management teams to ensure high occupancy rates and operational efficiency. Through the strategic development of commercial properties, the President strengthens the firm's market position. Rademacher maintains a focus on delivering high-quality commercial spaces that drive long-term value for the organization and its investors.

    Victoria Imhoff - Division President, Southeast Florida

    Victoria Imhoff, the Division President, Southeast Florida at The Kolter Group, manages all development and investment activities within the Southeast Florida market. Overseeing regional operations, the Division President, Southeast Florida ensures that projects align with the unique demands of this high-growth area. This leadership role involves navigating complex local regulatory environments and building strong ties with regional partners. By identifying key development opportunities in the region, Victoria Imhoff drives the firm's expansion in this critical market. The Division President, Southeast Florida monitors the performance of regional projects to ensure they meet the firm's standards for quality and profitability. Through the strategic management of regional assets, the Division President, Southeast Florida supports the firm's overall growth. Imhoff maintains a focus on regional market leadership, ensuring that the firm remains the preferred developer in Southeast Florida.

    Robert Vail - President, Kolter Urban

    Robert Vail, the President, Kolter Urban at The Kolter Group, directs the development of high-density urban projects that transform city landscapes. Overseeing the urban division, the President, Kolter Urban ensures that every project integrates seamlessly into the surrounding metropolitan environment. This leadership role involves managing complex architectural designs and coordinating with urban planners to deliver iconic residential and mixed-use towers. By focusing on urban revitalization, Robert Vail identifies opportunities to create vibrant, walkable communities. The President, Kolter Urban monitors the progress of urban developments to ensure they meet the firm's rigorous quality and sustainability standards. Through the strategic execution of urban projects, the President, Kolter Urban enhances the firm's reputation for innovative city living. Vail maintains a focus on urban market trends, ensuring that the firm continues to lead in the development of sophisticated urban environments.

    Mike Griffin - Managing Director

    Mike Griffin, the Managing Director at The Kolter Group, directs high-level investment strategies and capital allocation across the firm's diverse real estate portfolio. Overseeing the acquisition of prime development sites, the Managing Director ensures alignment with long-term growth objectives. This leadership role involves constant collaboration with institutional partners to secure funding for large-scale residential and commercial projects. By evaluating market trends and economic indicators, Mike Griffin identifies lucrative opportunities that drive portfolio expansion. The Managing Director maintains rigorous standards for asset performance, ensuring that every investment meets the firm's profitability benchmarks. Through strategic oversight of capital deployment, the Managing Director strengthens the market position of the firm. Griffin consistently monitors risk profiles to protect the interests of stakeholders while maximizing returns on complex real estate ventures throughout the United States.

    Explore Leadership Teams in Real Estate

    Frequently Asked Questions Regarding The Kolter Group Top Executives and Leadership Team

    Who leads The Kolter Group?
    The Kolter Group is led by Bill Johnson (Chief Financial Officer), along with executives such as Howard Erbstein (Chief Operating Officer) and Brian Van Slyke (Regional President).
    Who is part of The Kolter Group’s executive team?
    The executive team of The Kolter Group includes leaders such as Bill Johnson (Chief Financial Officer), Howard Erbstein (Chief Operating Officer), Brian Van Slyke (Regional President) and other senior executives.
    How many executives does The Kolter Group have?
    The Kolter Group has 8 executives leading key business areas.
    What roles are included in The Kolter Group’s leadership team?
    The leadership team of The Kolter Group includes roles such as Chief Financial Officer, Chief Operating Officer, Regional President, President, President.