The Kolter Group Executive and Leadership Team

September, 2026

Leadership Overview

The Kolter Group has 7 executives leading key functions including investment strategy, financial oversight, operational management, and regional development.

Focused on high-growth real estate markets, The Kolter Group delivers premium residential and commercial projects while maintaining a commitment to long-term value creation and sustainable urban development across the United States.

Leadership Roles at The Kolter Group

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

    Bill Johnson, the Chief Financial Officer at The Kolter Group, manages the firm's fiscal health and capital structure. Overseeing financial reporting, tax planning, and treasury operations, the Chief Financial Officer ensures the company maintains liquidity for ongoing real estate development projects. This leadership role requires close coordination with executive leadership to forecast revenue streams and manage debt obligations effectively. By implementing robust financial controls, Bill Johnson optimizes the firm's balance sheet to support aggressive growth in the Southeast region. The Chief Financial Officer also evaluates the economic viability of new investment opportunities, providing the data-driven insights necessary for informed decision-making. Through meticulous management of corporate assets and investor relations, the Chief Financial Officer secures the necessary funding to sustain the firm's development pipeline, ensuring long-term stability and profitability for all stakeholders involved in the company's diverse real estate portfolio.

    Howard Erbstein - Chief Operating Officer

    Howard Erbstein, the Chief Operating Officer at The Kolter Group, directs the daily operational activities and project execution workflows. Overseeing the integration of development, construction, and property management functions, the Chief Operating Officer ensures that every project meets strict quality and timeline standards. This leadership role involves streamlining internal processes to enhance efficiency across all regional operations. By coordinating with project managers and external contractors, Howard Erbstein maintains the high standards expected of the firm's residential and commercial developments. The Chief Operating Officer also monitors operational performance metrics to identify areas for improvement, ensuring that the company remains agile in a competitive real estate market. Through the implementation of standardized operational protocols, the Chief Operating Officer supports the firm's mission of delivering excellence, ultimately ensuring that all development initiatives align with the company's strategic goals and operational capacity.
    Howard Erbstein

    Robert Rademacher - President

    Robert Rademacher, the President at The Kolter Group, leads the firm's overarching business strategy and corporate vision. Overseeing the expansion of the company's residential development portfolio, the President drives initiatives that enhance market presence across the United States. This leadership role involves fostering relationships with key industry partners and stakeholders to secure new development opportunities. By setting the strategic direction for the firm, Robert Rademacher ensures that all projects reflect the company's commitment to quality and innovation. The President also mentors senior leadership teams, promoting a culture of excellence and accountability throughout the organization. Through the pursuit of high-impact real estate ventures, the President strengthens the firm's reputation as a leader in the industry. By balancing growth objectives with operational discipline, the President ensures that the company continues to deliver exceptional value to investors and residents alike.

    Brian Van Slyke - Regional President

    Brian Van Slyke, the Regional President at The Kolter Group, directs development activities within specific geographic markets. Overseeing regional project pipelines, the Regional President ensures that local development efforts align with the firm's national standards for quality and design. This leadership role involves managing local teams and navigating regional regulatory environments to facilitate project completion. By identifying unique market opportunities, Brian Van Slyke drives growth in key territories, expanding the firm's reach in the residential sector. The Regional President also coordinates with corporate leadership to ensure that regional performance contributes positively to the company's overall financial goals. Through the effective management of local resources and partnerships, the Regional President secures the firm's competitive advantage in the region. By focusing on market-specific needs, the Regional President ensures that every development project meets the expectations of local communities and investors.

    Jeff Quinlivain - President

    Jeff Quinlivain, the President at The Kolter Group, manages the firm's commercial development and investment divisions. Overseeing the acquisition and development of high-value commercial assets, the President ensures that these projects generate sustainable returns for the company. This leadership role involves analyzing market demand and coordinating with architects and contractors to deliver premium commercial spaces. By driving the strategic vision for the commercial portfolio, Jeff Quinlivain enhances the firm's market position in the real estate sector. The President also collaborates with the finance team to secure funding for large-scale commercial ventures, ensuring that each project remains profitable. Through the pursuit of innovative development strategies, the President strengthens the firm's commercial footprint. By maintaining a focus on long-term asset performance, the President ensures that the company continues to deliver high-quality commercial environments that meet the evolving needs of modern businesses.

    Victoria Imhoff - Division President, Southeast Florida

    Victoria Imhoff, the Division President, Southeast Florida at The Kolter Group, directs all residential development operations within the Southeast Florida market. Overseeing land acquisition, site planning, and community development, the Division President, Southeast Florida ensures that every project reflects the firm's commitment to luxury and quality. This leadership role involves managing local development teams and coordinating with municipal authorities to streamline the approval process. By identifying prime real estate opportunities in the region, Victoria Imhoff drives the firm's growth in one of the most competitive markets in the country. The Division President, Southeast Florida also monitors sales performance and customer satisfaction to ensure that each community meets the high expectations of residents. Through the strategic management of regional assets, the Division President, Southeast Florida secures the firm's dominance in the local market, ultimately contributing to the company's overall success and reputation for excellence.

    Mike Griffin - Managing Director

    Mike Griffin, the Managing Director at The Kolter Group, directs the firm's overarching investment strategy and capital allocation initiatives. Overseeing complex real estate portfolios, the Managing Director identifies high-potential acquisition targets to expand the company's footprint across North American markets. This leadership role involves constant collaboration with the Board to ensure alignment between development projects and long-term financial objectives. By analyzing market trends and mitigating risk, Mike Griffin secures the firm's competitive position within the real estate development sector. The Managing Director also evaluates emerging opportunities in residential and commercial asset classes, ensuring that every investment supports the broader corporate mission of delivering superior value. Through rigorous oversight of capital deployment, the Managing Director maintains the financial health required for large-scale project execution, ultimately driving the firm's growth and market influence.

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    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 Robert Rademacher (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), Robert Rademacher (President) and other senior executives.
    How many executives does The Kolter Group have?
    The Kolter Group has 7 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, President, Regional President, President.