Midwest One Bank Executive and Leadership Team

September, 2026

Leadership Overview

Midwest One Bank has 10 executives leading key functions including technology, marketing, mortgage banking, and regional market operations.

Committed to community-focused financial growth, Midwest One Bank delivers comprehensive banking solutions across Iowa, Minnesota, Wisconsin, Florida, and Colorado while maintaining a legacy of stability since 1934.

Leadership Roles at Midwest One Bank

  • Vive President, Mortgage Banking Officer - Jessica Siems
  • Regional President - Mark Erickson
  • Market President - Ron Haines
  • Market President - Cindy Roberts
  • Colorado Region President - Kevin Erickson
  • Market President - Brad Amthauer
  • Market President - Scott Bromelkamp
  • Chief Information Officer - Paul Ho-Sing-Loy
  • Senior Vice President and Chief Marketing Officer - Peggy Hudson
  • Senior Vice President and Chief Marketing Officer - Elda Macias
  • Jessica Siems - Vive President, Mortgage Banking Officer

    Jessica Siems, the Vive President, Mortgage Banking Officer at Midwest One Bank, manages the residential lending portfolio and mortgage origination processes. The Vive President, Mortgage Banking Officer directs the underwriting teams to ensure compliance with regulatory standards while maintaining efficient loan processing timelines. By optimizing the mortgage pipeline, Siems supports the bank's goal of expanding homeownership opportunities across the regional network. This leadership role involves coordinating with branch managers to provide competitive financing solutions tailored to local market needs. Jessica Siems monitors interest rate trends and market conditions to adjust lending strategies for maximum profitability and risk management. Through the implementation of streamlined digital application tools, the Vive President, Mortgage Banking Officer improves the borrower experience and increases loan volume. This strategic focus on mortgage banking excellence directly contributes to the bank's overall financial health and strengthens its position as a primary lender in the communities served.

    Mark Erickson - Regional President

    Mark Erickson, the Regional President at Midwest One Bank, oversees the operational performance and business development activities within the designated regional territory. The Regional President directs local branch leadership to ensure the delivery of high-quality financial services and consistent customer experiences. By identifying growth opportunities in the local market, Erickson drives the expansion of commercial and retail banking portfolios. This leadership role involves managing regional budgets and ensuring that all branch activities align with the bank's overarching strategic goals. Mark Erickson fosters strong relationships with local business leaders and community organizations to enhance the bank's presence. Through the implementation of effective sales strategies, the Regional President increases market share and improves profitability across the region. This strategic focus on regional growth and operational excellence ensures that the bank remains a trusted financial partner for individuals and businesses throughout the assigned geographic area.

    Ron Haines - Market President

    Ron Haines, the Market President at Midwest One Bank, manages the commercial lending operations and business banking relationships within the specific market. The Market President directs the local team to provide customized financial solutions that support the growth of small and medium-sized enterprises. By analyzing local economic trends, Haines identifies new business opportunities and mitigates credit risks within the portfolio. This leadership role involves active participation in local economic development initiatives to strengthen the bank's community ties. Ron Haines coordinates with the broader executive team to implement corporate policies while maintaining the flexibility required for local market success. Through the cultivation of long-term client relationships, the Market President ensures high levels of customer retention and satisfaction. This strategic focus on commercial banking excellence drives revenue growth and reinforces the bank's reputation as a key financial supporter of local businesses and regional economic prosperity.

    Cindy Roberts - Market President

    Cindy Roberts, the Market President at Midwest One Bank, oversees retail banking operations and consumer deposit growth within the assigned market. The Market President directs branch staff to deliver exceptional service and promote the bank's full suite of personal financial products. By monitoring branch performance metrics, Roberts ensures that operational efficiency and service standards meet corporate expectations. This leadership role involves developing local marketing strategies to increase brand awareness and attract new retail customers. Cindy Roberts manages the implementation of new banking technologies at the branch level to enhance the customer experience. Through the training and development of branch personnel, the Market President fosters a culture of excellence and professional growth. This strategic focus on retail banking operations supports the bank's goal of maintaining a strong deposit base and building deep, lasting relationships with individual clients throughout the local market area.

    Kevin Erickson - Colorado Region President

    Kevin Erickson, the Colorado Region President at Midwest One Bank, leads the strategic expansion and operational management of the bank's presence in the Colorado market. The Colorado Region President directs the integration of banking services to meet the unique needs of the local economy. By overseeing commercial and retail banking teams, Erickson ensures that the bank delivers competitive financial products and services. This leadership role involves building a strong network of professional contacts to drive business development and community engagement. Kevin Erickson monitors regional market conditions to adjust operational strategies for optimal performance and risk management. Through the effective allocation of resources, the Colorado Region President supports the bank's growth objectives in this key geographic area. This strategic focus on regional leadership ensures that the bank remains a prominent and reliable financial institution, providing tailored solutions that foster economic success for clients across the Colorado region.

    Brad Amthauer - Market President

    Brad Amthauer, the Market President at Midwest One Bank, manages the wealth management and private banking services within the designated market. The Market President directs the delivery of sophisticated financial planning and investment advisory services to high-net-worth individuals. By collaborating with the broader wealth management team, Amthauer ensures that clients receive comprehensive solutions tailored to their long-term financial goals. This leadership role involves maintaining deep knowledge of market trends and regulatory requirements to provide sound investment guidance. Brad Amthauer cultivates relationships with key clients to drive asset growth and increase the bank's share of wallet. Through the implementation of personalized service models, the Market President enhances client loyalty and satisfaction. This strategic focus on wealth management excellence supports the bank's objective of providing high-value financial services, contributing significantly to the overall profitability and reputation of the bank within the local market.

    Scott Bromelkamp - Market President

    Scott Bromelkamp, the Market President at Midwest One Bank, oversees the agricultural and rural banking portfolio within the assigned market. The Market President directs the lending teams to provide specialized financial products that support the unique needs of the agricultural sector. By analyzing commodity markets and seasonal economic cycles, Bromelkamp manages credit risk and ensures the stability of the loan portfolio. This leadership role involves working closely with farming operations and agribusinesses to provide essential capital for growth and sustainability. Scott Bromelkamp coordinates with regional leadership to align agricultural banking strategies with the bank's broader mission of supporting rural economic development. Through the provision of expert financial advice and tailored lending solutions, the Market President strengthens the bank's position as a primary partner for the agricultural community. This strategic focus on rural banking excellence drives long-term growth and reinforces the bank's commitment to the communities served.

    Paul Ho-Sing-Loy - Chief Information Officer

    Paul Ho-Sing-Loy, the Chief Information Officer at Midwest One Bank, directs the digital infrastructure and cybersecurity frameworks supporting all financial operations. The Chief Information Officer architects scalable cloud solutions to ensure seamless data integration across the multi-state footprint. By modernizing core banking platforms, Ho-Sing-Loy enhances the security posture and operational efficiency of the entire organization. This leadership role involves constant collaboration with the executive team to align technological investments with long-term growth objectives. Paul Ho-Sing-Loy manages the deployment of advanced analytics tools to improve customer service delivery throughout the Midwest and beyond. Through rigorous oversight of IT governance, the Chief Information Officer mitigates systemic risks while fostering innovation in digital banking services. This strategic focus ensures that the bank remains competitive in an evolving financial landscape, providing robust, reliable, and secure access to banking services for every client across the regional network.
    Paul Ho-Sing-Loy

    Peggy Hudson - Senior Vice President and Chief Marketing Officer

    Peggy Hudson, the Senior Vice President and Chief Marketing Officer at Midwest One Bank, designs comprehensive brand strategies to expand market presence across the Midwest and beyond. The Senior Vice President and Chief Marketing Officer drives customer acquisition through targeted campaigns that highlight the bank's commitment to community-based financial services. By analyzing consumer behavior, Hudson optimizes the marketing funnel to increase engagement and brand loyalty. This leadership role requires close coordination with regional presidents to ensure consistent messaging across all operational territories. Peggy Hudson manages the development of digital and traditional advertising initiatives that support the bank's growth objectives. Through data-driven insights, the Senior Vice President and Chief Marketing Officer refines the value proposition to attract diverse client segments. This strategic approach strengthens the bank's competitive position, ensuring that marketing efforts directly contribute to revenue growth and long-term institutional success within the highly competitive financial services sector.
    Peggy Hudson

    Elda Macias - Senior Vice President and Chief Marketing Officer

    Elda Macias, the Senior Vice President and Chief Marketing Officer at Midwest One Bank, oversees internal communications and corporate social responsibility initiatives to bolster the bank's reputation. The Senior Vice President and Chief Marketing Officer executes community outreach programs that align with the bank's mission of fostering local economic development. By managing public relations and stakeholder engagement, Macias ensures that the corporate identity remains consistent across all regional markets. This leadership role involves collaborating with executive leadership to communicate the bank's strategic vision to employees and shareholders. Elda Macias directs the implementation of internal engagement platforms that promote a culture of service and excellence. Through the development of community-focused marketing narratives, the Senior Vice President and Chief Marketing Officer enhances the bank's visibility and trust. This strategic focus supports the broader organizational goal of building lasting relationships with clients and communities throughout the bank's operational footprint.

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    Frequently Asked Questions Regarding Midwest One Bank Top Executives and Leadership Team

    Who leads Midwest One Bank?
    Midwest One Bank is led by Jessica Siems (Vive President, Mortgage Banking Officer), along with executives such as Mark Erickson (Regional President) and Ron Haines (Market President).
    Who is part of Midwest One Bank’s executive team?
    The executive team of Midwest One Bank includes leaders such as Jessica Siems (Vive President, Mortgage Banking Officer), Mark Erickson (Regional President), Ron Haines (Market President) and other senior executives.
    How many executives does Midwest One Bank have?
    Midwest One Bank has 10 executives leading key business areas.
    What roles are included in Midwest One Bank’s leadership team?
    The leadership team of Midwest One Bank includes roles such as Vive President, Mortgage Banking Officer, Regional President, Market President, Market President, Colorado Region President.