Jonathan Sieker
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Jonathan Sieker Email & Phone Number

Vice President - Treasury Management | NMLS: 1244559 | Sales & Business Development | Retail Banking & Financial Services | Customer Acquisition & Retention | Customer Experience | Cross-functional Team Leadership at M1 Bank
Location: Greater St. Louis, United States 7 work roles 1 school
1 work email found @firstbanks.com 2 phones found area 636 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email j****@firstbanks.com
Direct phone (636) ***-****
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Current company
Role
Vice President - Treasury Management | NMLS: 1244559 | Sales & Business Development | Retail Banking & Financial Services | Customer Acquisition & Retention | Customer Experience | Cross-functional Team Leadership
Location
Greater St. Louis, United States
Company size

Who is Jonathan Sieker? Overview

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Jonathan Sieker is listed as Vice President - Treasury Management | NMLS: 1244559 | Sales & Business Development | Retail Banking & Financial Services | Customer Acquisition & Retention | Customer Experience | Cross-functional Team Leadership at M1 Bank, a with 16 employees, based in Greater St. Louis, United States. AeroLeads shows a work email signal at firstbanks.com, phone signal with area code 636, and a matched LinkedIn profile for Jonathan Sieker.

Jonathan Sieker previously worked as Vice President - Treasury Management Officer at M1 Bank and Vice President - Manager of Virtual Sales at First Bank | NMLS: 1244559 | FB NMLS: 551928 at First Bank. Jonathan Sieker holds B.A., Business And Communication from University Of Missouri-Columbia.

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Email format at M1 Bank

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{first_initial}{last}@firstbanks.com
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Profile bio

About Jonathan Sieker

I am a dynamic, results-oriented, and top performing sales and business development leader with a proven track record in the banking and financial services industry. Recognized for driving exceptional performance in virtual sales management, leveraging innovative strategies and technology solutions to exceed targets. Skilled in team leadership, relationship management, credit and financial analysis, risk management, project management, and financial modeling by fostering a culture of excellence. Adept at analyzing market trends, implementing effective sales strategies, and optimizing operational processes to enhance efficiency and profitability. Committed to delivering superior customer experiences while maximizing revenue growth and market share.Background of success building and managing teams in Business Lending, Mortgage, and Retail Banking. As Manager of Virtual Sales at First Bank, I was responsible for developing, leading, and coaching a team of virtual bankers to provide exceptional service and solutions to customers across the country. Made a meaningful impact related to new business development, mortgage lending, credit analysis, portfolio management, team building, and training/development which I leveraged in previous roles as a Senior Loan Officer Team Lead at Veterans United Home Loans and as a Business Banking Officer at First Bank. I am passionate about helping people achieve their financial goals, whether it is buying a home, expanding a business, or investing for the future. I am also committed to fostering a culture of collaboration and innovation within my team and the organization, as I believe that these values are essential for delivering the best results and customer experience.Customer Acquisition & Retention | Team Leadership | Employee Learning & DevelopmentConflict Resolution | Resource Management | Incident & Problem Management | Lead GenerationCross-Functional Team Collaboration | Negotiation | Process Improvement | Strategic Partnerships Sales Management | Financial Analysis | Time Management | Problem Solving | Sales & NegotiationsCustomer Experience | Presentations & Training Facilitation | Visual Content CreationReport Building & Tracking | Conversion Optimization | Interpreting DataTECHNICAL COMPETENCIESMS Office Suite (Excel, PowerPoint, Word, Outlook) | CRM Platforms | Salesforce.comAdvanced Computer Competency

Listed skills include Sales, Finance, New Business Development, Portfolio Management, and 30 others.

Current workplace

Jonathan Sieker's current company

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M1 Bank
M1 Bank
Vice President - Treasury Management | NMLS: 1244559 | Sales & Business Development | Retail Banking & Financial Services | Customer Acquisition & Retention | Customer Experience | Cross-functional Team Leadership
clayton, missouri, united states
Website
Employees
16
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7 roles

Jonathan Sieker work experience

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Vice President - Treasury Management Officer

Current
May 2024 - Present

Vice President - Manager Of Virtual Sales At First Bank | Nmls: 1244559 | Fb Nmls: 551928

St Louis, Missouri, United States

Recruited into position for ability to lead teams, work across departments, identify process improvements, and provide creative solutions. Established newly formed five-person department of sales professionals focused on engaging clients in innovative ways, providing exceptional customer experiences, and utilizing insights from data to generate leads and personalized strategies for different market segments. • Developed and evaluated business cases to present business solutions and process improvements to preserve and expand business, improve efficiency and quality of work, and improve customer satisfaction.• Fostered strong strategic relationships across organizational teams to address and improve outcomes in new product adoption/implementation and new technology integration.• Achieved 14% reduction of year-over-year HELOC payoffs on a goal of 6% by developing and implementing HELOC attrition reduction strategy through Virtual Sales Team.• Exceeded 2023 sales and development goals through creation and execution of strategic vision surrounding sales process, on-boarding curriculum, and continuing education leading to a customer-focused department that regularly surpassed expectations.• Improved lead performance and efficiency ratios to enhance sales opportunities through analysis of customer feedback, data, and trends to identify performance gaps and implement training programs to grow proficiencies, product knowledge, and develop sales techniques.• Designed strategic goals, performance metrics, and long-term development plan for new virtual sales team. Provided leadership to ensure achievement of institutional goals.• Supported project management, product, and IT teams on retail eBanking conversion by contacting and providing tailored white glove conversion support to 7,000 of the banks most profitable tier 1 and tier 2 clients.

May 2023 - Jan 2024

Senior Loan Officer Team Lead

St Louis, Missouri, United States

Served as mortgage subject matter expert leading and managing six-person team while maintaining individual pipeline from origination through closing and providing exceptional customer service. • Directed team members to meet or exceed goals through solid performance management tactics including 1:1 coaching, skill development, and increased efficiencies relative to overall job performance.• Achieved closing percentage of 18.7%; placed in top 5% of company with 650+ loan officers; leveraged success in origination calls building client rapport and converting leads into active opportunities with established expectations to improve outcomes.• Developed closing plans, managed schedules, and established clear and thorough direction for internal cross-functional teams and external stakeholders to meet project/loan deadlines.• Reviewed borrower’s unique financial situation and advised on structure and loan type suited to borrower’s needs to foresee, prevent, or overcome any obstacles during loan journey.• Achieved “Elite Bonus” award for maintaining customer service score of 9.86; placed in top 15% for customer service scores company-wide.• Maintained high-volume pipeline with loans at different stages while meeting closing deadlines; achieved elite-level customer satisfaction. • Facilitated completion of real estate transactions and delivered excellent client experience through rapport building and timely communication with internal and external partners including borrowers, agents, underwriters, and loan team.

Feb 2020 - Apr 2023

Vice President - Business Banking Officer

St. Charles

Sourced business opportunities through prospecting and network development to grow bank’s business loans, deposits, and treasury management fee income; presented meaningful solutions to meet business objectives and produce increased revenues.• Partnered with local businesses to expand and strengthen operations through implementation of sound financial decisions; completed review and comprehensive analysis of a client’s operations.• Applied analytical skills, insights from extensive client discovery meetings, and financial analysis further refining understanding of client business model which allowed actionable business opportunities.• Handled multiple projects at different stages through use of strong communication and organizational skills; initiated and facilitated collaboration between multiple organizations.• Demonstrated thorough understanding of businesses; facilitated in the development of strategic plans for current and prospective business clients.• Utilized a robust creative perspective, strategic problem-solving approach, and analytical skills to overcome barriers and issues in business development, credit approval, and meeting conditions of all stakeholders.• Leveraged influence with internal and external partners to achieve successful results that created value for clients and met sales goals and ROI targets for the bank.• Obtained credit approval and successfully closed deals by utilizing solid communication and presentation skills to sell customers on products and demonstrate value to underwriters.

Mar 2016 - Feb 2020

Business Banking

St Charles, Missouri, United States

Promoted into position focused primarily on commercial solutions including commercial real estate, SBA loans, start-ups, and business acquisitions. Final role continued the focus on providing comprehensive solutions for business while also supporting US Bank small business team in a mentor/coaching capacity.• Developed and presented financial and business solutions which enabled client growth in commercial loans, equipment loans, leasing, depository services, and other treasury management and merchant products.• Cultivated mutually beneficial relationships between US Bank and client firms through engagement of new clients and prospects, facilitating business growth, and acting as business development and finance consultant to clients.• Addressed risk, determined credit worthiness, and developed sound business solutions through detailed business and financial analysis of clients.• Collaborated with clients, community partners, and local business resources to increase referral streams and create beneficial connections and opportunities for clients.• Expanded and deepened client relationships for an existing portfolio and developed new business opportunities in the community.

Nov 2011 - Mar 2016

Account Sales Manager

Osage Beach, Missouri, United States

Enhanced and strengthened relationships with decision makers and staff to develop accounts relative to sales volume, market share, product distribution, and space allocation.• Improved market penetration and brand awareness of new products in the marketplace through creativity and project management.• Deployed effective sales strategies and successful execution of promotions, solicitation of placement of equipment, accurate inventory, and understanding of needs for future delivery.• Supervised merchandising personnel to ensure creative, well-stocked, and welcoming displays in territory.• Solicited new business in order to increase volume and new package distribution within the area boundaries.

Feb 2010 - Nov 2011

Supervisor

Bi-State Pool Management

Part of supervisory team overseeing 50 aquatic facilities and 300 staff members. Responsibilities included writing schedules, staff management, training (achieved instructor certification to certify staff in CPR and First Aid for the Professional Rescuer), satisfying needs of clients and Board of Trustees.

Apr 2002 - Jul 2009
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Colleagues at M1 Bank

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1 education record

Jonathan Sieker education

FAQ

Frequently asked questions about Jonathan Sieker

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What company does Jonathan Sieker work for?

Jonathan Sieker works for M1 Bank.

What is Jonathan Sieker's role at M1 Bank?

Jonathan Sieker is listed as Vice President - Treasury Management | NMLS: 1244559 | Sales & Business Development | Retail Banking & Financial Services | Customer Acquisition & Retention | Customer Experience | Cross-functional Team Leadership at M1 Bank.

What is Jonathan Sieker's email address?

AeroLeads has found 1 work email signal at @firstbanks.com for Jonathan Sieker at M1 Bank.

What is Jonathan Sieker's phone number?

AeroLeads has found 2 phone signal(s) with area code 636 for Jonathan Sieker at M1 Bank.

Where is Jonathan Sieker based?

Jonathan Sieker is based in Greater St. Louis, United States while working with M1 Bank.

What companies has Jonathan Sieker worked for?

Jonathan Sieker has worked for M1 Bank, First Bank, Veterans United Home Loans, U.S. Bank, and Pepsi Beverages Company.

Who are Jonathan Sieker's colleagues at M1 Bank?

Jonathan Sieker's colleagues at M1 Bank include Olivia Dazey, Susan Willis, Fabienne Driver, Michael Griggs, and Steven Coots.

How can I contact Jonathan Sieker?

You can use AeroLeads to view verified contact signals for Jonathan Sieker at M1 Bank, including work email, phone, and LinkedIn data when available.

What schools did Jonathan Sieker attend?

Jonathan Sieker holds B.A., Business And Communication from University Of Missouri-Columbia.

What skills is Jonathan Sieker known for?

Jonathan Sieker is listed with skills including Sales, Finance, New Business Development, Portfolio Management, Financial Analysis, Customer Service, Banking, and Commercial Banking.

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