Architecture Incorporated Executive and Leadership Team

June, 2026

Leadership Overview

Architecture Incorporated has 7 executives leading key functions including strategy, founding operations, and business development.

Driven by a commitment to enhancing community spaces, Architecture Incorporated focuses on architectural services for educational, corporate, and community projects, emphasizing collaboration, safety, and modern environments across South Dakota.

Leadership Roles at Architecture Incorporated

  • Chief Executive Officer - Eilene Nixon
  • Founder & Chief Executive Officer - Tatjana Krak
  • Founder & Chief Executive Officer - Stephen Bingler
  • Chief Executive Officer & Co-Founder - Golrokh Sadraie
  • Owner, Chief Executive Officer - Ali Khodadoostan
  • Co-Founder & Chief Executive Officer - Kevin Mitchem
  • Founder & Chief Executive Officer, Calex Interior & Architecture - Mustafa Abdullah
  • Eilene Nixon - Chief Executive Officer

    Eilene Nixon, the Chief Executive Officer at Architecture Incorporated, directs the firm's strategic vision and operational execution. Nixon oversees all aspects of the business, ensuring alignment with the company's mission to enhance community spaces and improve accessibility through thoughtful design. This leadership involves guiding the architectural services provided for educational institutions, corporate headquarters, and community buildings. Nixon's role ensures that projects in Sioux Falls and Rapid City, and across South Dakota, meet high standards of collaboration, safety, and modern environmental design. The Chief Executive Officer's focus remains on driving growth and maintaining the firm's reputation for excellence in architectural solutions. Eilene Nixon actively manages client relationships and fosters an environment of innovation within the design teams, directly impacting the successful delivery of projects for schools, banks, and local governments.
    Eilene Nixon

    Tatjana Krak - Founder & Chief Executive Officer

    Tatjana Krak, the Founder & Chief Executive Officer at Architecture Incorporated, establishes the foundational principles and long-term direction for the firm. Krak's leadership is central to the company's specialization in architectural services for diverse projects, including educational institutions, corporate headquarters, and community buildings. The Founder & Chief Executive Officer ensures that the firm's commitment to collaboration, safety, and modern learning environments is integrated into every design. Krak's vision guides the firm's engagement with clients such as schools, banks, and local governments, focusing on enhancing community spaces and improving accessibility. Tatjana Krak's role involves overseeing the strategic development and expansion of Architecture Incorporated's presence across South Dakota, with offices in Sioux Falls and Rapid City. The Founder & Chief Executive Officer champions the firm's dedication to thoughtful design and sustainable architectural practices.

    Stephen Bingler - Founder & Chief Executive Officer

    Stephen Bingler, the Founder & Chief Executive Officer at Architecture Incorporated, shapes the firm's core values and strategic trajectory. Bingler's influence is critical in defining the company's approach to architectural services for educational institutions, corporate headquarters, and community buildings. The Founder & Chief Executive Officer ensures that the firm's emphasis on collaboration, safety, and modern learning environments permeates all project phases. Bingler's leadership guides the firm's interactions with clients like schools, banks, and local governments, reinforcing the commitment to enhancing community spaces and improving accessibility. Stephen Bingler's oversight extends to the firm's operations across South Dakota, including its Sioux Falls and Rapid City offices, driving the delivery of innovative and functional designs. The Founder & Chief Executive Officer is dedicated to upholding the firm's reputation for excellence and client satisfaction.
    Stephen Bingler

    Golrokh Sadraie - Chief Executive Officer & Co-Founder

    Golrokh Sadraie, the Chief Executive Officer & Co-Founder at Architecture Incorporated, drives the company's strategic initiatives and operational framework. Sadraie's leadership is pivotal in directing the firm's specialization in architectural services for educational institutions, corporate headquarters, and community buildings. The Chief Executive Officer & Co-Founder ensures that the firm's core tenets of collaboration, safety, and the creation of modern learning environments are consistently applied. Sadraie's role involves guiding the firm's engagement with clients such as schools, banks, and local governments, with a focus on enhancing community spaces and improving accessibility through thoughtful design. Golrokh Sadraie oversees the firm's expansion and project execution across South Dakota, including its presence in Sioux Falls and Rapid City. The Chief Executive Officer & Co-Founder is committed to fostering innovation and delivering exceptional architectural solutions.

    Ali Khodadoostan - Owner, Chief Executive Officer

    Ali Khodadoostan, the Owner, Chief Executive Officer at Architecture Incorporated, holds ultimate responsibility for the firm's strategic direction and overall performance. Khodadoostan's ownership guides the company's focus on providing specialized architectural services for educational institutions, corporate headquarters, and community buildings. The Owner, Chief Executive Officer ensures that the firm's dedication to collaboration, safety, and the development of modern learning environments remains paramount. Khodadoostan's leadership directs the firm's client interactions, including those with schools, banks, and local governments, emphasizing the enhancement of community spaces and improved accessibility. Ali Khodadoostan oversees the firm's operations and project portfolio across South Dakota, supporting the work of offices in Sioux Falls and Rapid City. The Owner, Chief Executive Officer is committed to driving the firm's success and upholding its design integrity.

    Kevin Mitchem - Co-Founder & Chief Executive Officer

    Kevin Mitchem, the Co-Founder & Chief Executive Officer at Architecture Incorporated, establishes and guides the firm's strategic vision and operational excellence. Mitchem's leadership is integral to the company's specialization in architectural services for diverse projects, including educational institutions, corporate headquarters, and community buildings. The Co-Founder & Chief Executive Officer ensures that the firm's commitment to collaboration, safety, and the creation of modern learning environments is consistently upheld. Mitchem's role involves directing the firm's engagement with clients such as schools, banks, and local governments, focusing on enhancing community spaces and improving accessibility through thoughtful design. Kevin Mitchem oversees the firm's expansion and project execution across South Dakota, supporting operations in Sioux Falls and Rapid City. The Co-Founder & Chief Executive Officer champions innovation and the delivery of high-quality architectural solutions.
    Kevin Mitchem

    Mustafa Abdullah - Founder & Chief Executive Officer, Calex Interior & Architecture

    Mustafa Abdullah, the Founder & Chief Executive Officer, Calex Interior & Architecture at Architecture Incorporated, directs the strategic vision and operational framework for interior and architectural design services. Abdullah's leadership is crucial in defining the firm's approach to projects within educational institutions, corporate headquarters, and community buildings, ensuring a focus on collaboration, safety, and modern environments. The Founder & Chief Executive Officer, Calex Interior & Architecture, guides the firm's engagement with clients such as schools, banks, and local governments, emphasizing the enhancement of community spaces and improved accessibility through thoughtful design. Mustafa Abdullah oversees the firm's specialized interior and architectural design initiatives across South Dakota, supporting projects in Sioux Falls and Rapid City. The Founder & Chief Executive Officer, Calex Interior & Architecture, is dedicated to driving innovation and delivering exceptional design outcomes.

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    Frequently Asked Questions Regarding Architecture Incorporated Top Executives and Leadership Team

    Who leads Architecture Incorporated?
    Architecture Incorporated is led by Eilene Nixon (Chief Executive Officer), along with executives such as Tatjana Krak (Founder & Chief Executive Officer) and Stephen Bingler (Founder & Chief Executive Officer).
    Who is part of Architecture Incorporated’s executive team?
    The executive team of Architecture Incorporated includes leaders such as Eilene Nixon (Chief Executive Officer), Tatjana Krak (Founder & Chief Executive Officer), Stephen Bingler (Founder & Chief Executive Officer) and other senior executives.
    How many executives does Architecture Incorporated have?
    Architecture Incorporated has 7 executives leading key business areas.
    What roles are included in Architecture Incorporated’s leadership team?
    The leadership team of Architecture Incorporated includes roles such as Chief Executive Officer, Founder & Chief Executive Officer, Founder & Chief Executive Officer, Chief Executive Officer & Co-Founder, Owner, Chief Executive Officer.