Mark Haller
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Mark Haller Email & Phone Number

Accountant with advanced Microsoft Excel skills & strong people skills. I simplify complex accounting data & processes. I am an Excel resource on each assignment/job, and I’m often asked to troubleshoot workbooks. at Robert Half
Location: Menomonee Falls, Wisconsin, United States 5 work roles 3 schools
1 work email found @roberthalf.com LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

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Role
Accountant with advanced Microsoft Excel skills & strong people skills. I simplify complex accounting data & processes. I am an Excel resource on each assignment/job, and I’m often asked to troubleshoot workbooks.
Location
Menomonee Falls, Wisconsin, United States
Company size

Who is Mark Haller? Overview

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Quick answer

Mark Haller is listed as Accountant with advanced Microsoft Excel skills & strong people skills. I simplify complex accounting data & processes. I am an Excel resource on each assignment/job, and I’m often asked to troubleshoot workbooks. at Robert Half, a company with 31947 employees, based in Menomonee Falls, Wisconsin, United States. AeroLeads shows a work email signal at roberthalf.com and a matched LinkedIn profile for Mark Haller.

Mark Haller previously worked as Senior Associate : Management Resources at Robert Half and Accountant III at Wacker Neuson Se. Mark Haller holds Bachelor Of Business Administration (Bba), Accounting from Uw-Eau Claire.

Company email context

Email format at Robert Half

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{first}.{last}@roberthalf.com
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Profile bio

About Mark Haller

An experienced accountant with detailed, analytical skills; combining my abilities in accounting, advanced Excel, and data presentation. I have good people skills, and am very good at training people in financial/accounting matters.I enjoy challenges in my work and simplifying complex processes.

Listed skills include Microsoft Excel, Reconciliation, Vlookup, Ms Excel Pivot Tables, and 9 others.

Current workplace

Mark Haller's current company

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Robert Half
Robert Half
Accountant with advanced Microsoft Excel skills & strong people skills. I simplify complex accounting data & processes. I am an Excel resource on each assignment/job, and I’m often asked to troubleshoot workbooks.
menlo park, california, united states
Website
Employees
31947
AeroLeads page
5 roles

Mark Haller work experience

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

Senior Associate : Management Resources

Current

Greater Milwaukee Area

I serve various Robert Half clients with my accounting, Excel & data-analysis skills.Currently (Nov 2024), helping a school district with their grant-claim process & monthly financial analysis. Plus, develop/enhance Excel workbooks to simplify day-to-day tasks & internal controls.Previous assignments:- grant accountant for non-profit, working in early.

Sep 2019 - Present

Accountant Iii

Menomonee Falls, Wisconsin

KEY RESULTS. Saved 8+ hours per month, by creating an Excel-system to process data for 500+ credit cards. Simplified complex calculations, by creating documents to convert SAP data into clearer results. Overhauled an allocation process; saving 2+ hours during month-end closeRESPONSIBILITIES. Monthly financial statements preparation & analysis of variances.

Sep 2017 - Mar 2019

Accountant

Brown Deer, WI

KEY RESULTS- Saved 8+ hours per week by automating a process of comparing receipts to bank data; this process has been adopted by other dental groups within the company- Overhauled an allocation process, saving 2 hours during month-end close - Assisted in employee-theft detection and monitored cash activity to remove potential theft concerns- Simplified.

Apr 2013 - Jun 2017

Accountant

Milwaukee, Wis

began as temporary assignment; grew to full-time positionsee above American Dental Partners (ADP) data for details

Aug 2012 - Apr 2013

Accountant

Peters & Associates

New Berlin, WI

company now known as Balanced Edge, Inc (Brookfield, WI)KEY RESULTS- Simplified complex accounting and tax matters for client’s understanding- Discovered various methods to research public records in various counties & municipalities- Supervise office move of office technology (voice/data/computers); my planning led to a seamless transition to our new.

May 2008 - Mar 2012
Team & coworkers

Colleagues at Robert Half

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3 education records

Mark Haller education

Bachelor Of Business Administration (Bba), Accounting

Uw-Eau Claire

Accounting

Uw-Superior

Transferred to UW-Eau Claire

FAQ

Frequently asked questions about Mark Haller

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

What company does Mark Haller work for?

Mark Haller works for Robert Half.

What is Mark Haller's role at Robert Half?

Mark Haller is listed as Accountant with advanced Microsoft Excel skills & strong people skills. I simplify complex accounting data & processes. I am an Excel resource on each assignment/job, and I’m often asked to troubleshoot workbooks. at Robert Half.

What is Mark Haller's email address?

AeroLeads has found 1 work email signal at @roberthalf.com for Mark Haller at Robert Half.

Where is Mark Haller based?

Mark Haller is based in Menomonee Falls, Wisconsin, United States while working with Robert Half.

What companies has Mark Haller worked for?

Mark Haller has worked for Robert Half, Wacker Neuson Se, American Dental Partners, Accountemps, and Peters & Associates.

Who are Mark Haller's colleagues at Robert Half?

Mark Haller's colleagues at Robert Half include Gianni Romeo, Emma Carluer, Jeanene Hollowell, Valerie Williams, and Natalie Clark.

How can I contact Mark Haller?

You can use AeroLeads to view verified contact signals for Mark Haller at Robert Half, including work email, phone, and LinkedIn data when available.

What schools did Mark Haller attend?

Mark Haller holds Bachelor Of Business Administration (Bba), Accounting from Uw-Eau Claire.

What skills is Mark Haller known for?

Mark Haller is listed with skills including Microsoft Excel, Reconciliation, Vlookup, Ms Excel Pivot Tables, Concur, General Ledger, Mac Os X, and Accounting.

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