Dan Poster
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Dan Poster Email & Phone Number

Controller at Theisen Supply, Inc.
Location: Dubuque, Iowa, United States 4 work roles 1 school
1 work email found @rtkmidwest.com 4 phones found area 815 and 310 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 4 phones

Work email d****@rtkmidwest.com
Direct phone (815) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Theisen Supply, Inc.
Role
Controller
Location
Dubuque, Iowa, United States

Who is Dan Poster? Overview

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Quick answer

Dan Poster is listed as Controller at Theisen Supply, Inc., based in Dubuque, Iowa, United States. AeroLeads shows a work email signal at rtkmidwest.com, phone signal with area code 815, 310, and a matched LinkedIn profile for Dan Poster.

Dan Poster previously worked as Chief Financial Officer at L&M Corrugated Container Corporation and Vice President of Finance and Accounting at East Dubuque Nitrogen Fertilizers, Llc. Dan Poster holds Ba, Accounting from University Of Northern Iowa.

Company email context

Email format at Theisen Supply, Inc.

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{first_initial}{last}@rtkmidwest.com
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AeroLeads found 1 current-domain work email signal for Dan Poster. Compare company email patterns before reaching out.

Profile bio

About Dan Poster

Objective: Senior level finance or accounting position with broad responsibilities for the achievement of an organization's financial and operational objectives.Specialties: Finance and Accounting (Particularly Manufacturing), Financial Analysis, Budgeting/Forecasting, Supervision, Project Management, Auditing, Sarbanes-Oxley, Presentation Skills, Recruiting

Listed skills include Internal Controls, Auditing, Accounting, Sarbanes Oxley Act, and 12 others.

Current workplace

Dan Poster's current company

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Theisen Supply, Inc.
Theisen Supply, Inc.
Controller
4 roles

Dan Poster work experience

A career timeline built from the work history available for this profile.

Controller

Current
Theisen Supply, Inc.

Dubuque, Ia

Dec 2020 - Present

Chief Financial Officer

Platteville, Wi

Hired as ControllerAdded Titles of Secretary and TreasurerPromoted to Chief Financial OfficerSupervised and reviewed the work of Accounting staff in all areas of Accounting, including accounts receivable, accounts payable, inventory, fixed assets, treasury and payroll. Managed the month-end close process to ensure timely and accurate financial statements, according to generally accepted accounting principles. Reviewed financial results and company financial position, and made recommendations, when necessary, to the rest of the management team based on what I saw. Prepared budgets and semi-monthly forecasts. Responsible for managing the external financial audit and tax preparation process. Worked with insurance broker for annual renewals. Worked with banks and other financial institutions to make sure the company had all of its banking and financing needs met, with a focus on high service and low cost. Responsible for driving costs down, while not sacrificing quality of product or service. Presented at annual Board and Shareholder meetings.Member of the management team that does the strategic planning for guiding the company forward in order to ensure its continued success, following the framework of the Rockefeller Habits. Member of the executive management team, along with the CEO, COO, and General Manger, responsible for the overall management of the company.

May 2018 - Dec 2020

Vice President Of Finance And Accounting

Hired as Plant Controller.Promoted to Director of Finance.Promoted to VP of Accounting.Promoted to VP of Finance and AccountingManaged and developed staff within Finance & Accounting, Purchasing, Traffic/Customer Service, and Information Technology. Prepared, reviewed, and/or analyzed accounting records, and financial reports used to summarize financial position, results of operations, and cash flows according to generally accepted accounting principles. Interpreted financial information and analyze operating results in terms of profitability and performance against expectations. Ensured accounting policies and procedures, including internal control activities, are adequate, up-to-date, and followed. Reviewed SEC filings and earnings releases. Managed the audit and review process by internal and external auditors. Prepared and/or reviewed financial budgets and forecasts. Managed insurance renewals and claims.Largely responsible for bringing the company into compliance with Sarbanes-Oxley, which was started and completed within eight months of my start date. This involved reallocating work to add appropriate segregation of duties, designing necessary preventative and detective controls that could be adequately tested, documenting our processes and controls, and being audited to ensure compliance.Significantly involved with implementing an Oracle ERP system in about one year’s time, as well as upgrading that system seven years later. Significantly involved with an initial public offering to take the plant public as a master limited partnership. Significantly involved with the accounting and reporting of an acquisition of another fertilizer facility while working for Rentech Nitrogen and significantly involved with the merger of CVR Partners, L.P. and Rentech Nitrogen, LP, including due diligence, purchase accounting and company integration.

Jan 2007 - Mar 2018

Audit Manager

Mcgladrey & Pullen, Llp

Started as a staff accountant/auditor, was promoted to senior accountant/auditor, then to audit supervisor, then to audit manager. Formulated the audit approach and identified critical issues and risks for the completion of financial audits to maximize effectiveness and improve efficiency and profit. Prepared and reviewed financial and narrative reports in accordance with professional standards. Presented financial information and audit results to Boards of Directors. Areas of specialization included manufacturing, wholesale/distribution, colleges and universities, and not-for-profit entities. Recruited audit staff by attending recruiting events, giving presentations, and interviewing students. Trained audit staff and supervisors, both on the job and by preparing and presenting continuing professional education. Managed audit staff in the completion of five-to-ten audit engagements simultaneously and evaluated their work. Advisor for up to five auditors at a time. Scheduled the work of 30-40 auditors to maximize efficient use of resources. Provided Sarbanes-Oxley consulting to public companies by creating and updating 404 documentation, as well as developing and performing tests of their key controls to ensure operating effectiveness.

Jun 1998 - Jan 2007
1 education record

Dan Poster education

FAQ

Frequently asked questions about Dan Poster

Quick answers generated from the profile data available on this page.

What company does Dan Poster work for?

Dan Poster works for Theisen Supply, Inc..

What is Dan Poster's role at Theisen Supply, Inc.?

Dan Poster is listed as Controller at Theisen Supply, Inc..

What is Dan Poster's email address?

AeroLeads has found 1 work email signal at @rtkmidwest.com for Dan Poster at Theisen Supply, Inc..

What is Dan Poster's phone number?

AeroLeads has found 4 phone signal(s) with area code 815, 310 for Dan Poster at Theisen Supply, Inc..

Where is Dan Poster based?

Dan Poster is based in Dubuque, Iowa, United States while working with Theisen Supply, Inc..

What companies has Dan Poster worked for?

Dan Poster has worked for Theisen Supply, Inc., L&M Corrugated Container Corporation, East Dubuque Nitrogen Fertilizers, Llc, and Mcgladrey & Pullen, Llp.

How can I contact Dan Poster?

You can use AeroLeads to view verified contact signals for Dan Poster at Theisen Supply, Inc., including work email, phone, and LinkedIn data when available.

What schools did Dan Poster attend?

Dan Poster holds Ba, Accounting from University Of Northern Iowa.

What skills is Dan Poster known for?

Dan Poster is listed with skills including Internal Controls, Auditing, Accounting, Sarbanes Oxley Act, Financial Analysis, Finance, Budgets, and Management.

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