Mark Wiesner

Mark Wiesner's email & phone

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Senior Vice President, Operations & Finance | U.S. & LATAM at Colliers|Greater Milwaukee, United States

Position:

Senior Vice President, Operations & Finance | U.S. & LATAM at Colliers

Location:

Greater Milwaukee, United States

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Last updated: 2025-09-08
Updated: 2025-09-08

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Work Experience 25 years

Senior Vice President, Operations & Finance | U.S. & LATAM at Colliers

Jan 2025 - Current

Chief Commercial Officer | Chief Financial Officer, Business Strategy & Transformation, Cash Flow at CBRE Global Workplace Solutions (GWS)

May 2022 - Jan 2025

Vice President of Finance & Controller | Financial Analysis, Accounting & Business Strategy at CBRE Global Workplace Solutions (GWS)

Sep 2015 - Apr 2022

Vice President Finance & Controller - GWS | Financial Planning, Financial Analysis, Accounting, M&A at Johnson Controls

Apr 2014 - Aug 2015

Director of Finance & Controller - Building Efficiency | Financial Planning & Analysis, Accounting at Johnson Controls

Jan 2011 - Mar 2014

Financial Planning and Analysis Director - GWS Global | Corporate Finance, Financial Planning at Johnson Controls

Jan 2009 - Dec 2010

Accounting Manager - GWS Americas | Financial Accounting, General Ledger at Johnson Controls

Jan 2008 - Dec 2008

Lead Accountant | Financial Accounting, General Ledger at Johnson Controls

Jul 2006 - Dec 2007

Audit Leader | External Financial Statement & SOX Internal Controls Auditor at Deloitte

Mar 2004 - Jul 2006

Audit Senior | External Financial Statement Auditor at CLA (CliftonLarsonAllen)

Jan 2001 - Mar 2004

Mark Wiesner started working in 2001, then the employee has changed 4 companies and 9 jobs. On average, Mark Wiesner works for one company for 2 years 6 months.

Education

Bachelor of Science - BS at University of Wisconsin-La Crosse

Skills

SOX 404 Top–Down Risk Assessments (TDRA), Forecasting, Strategic Planning, Financial Reporting, Accounting, Financial Accounting, Cash Flow Optimization, Prescriptive Analytics, Organization Re-structuring, Global Consolidation

Frequently Asked Questions

What is Mark Wiesner's email address?

SignalHire found verified email addresses for Mark Wiesner, both business and personal. Their business email is w***k@ow.ly, and personal emails include w***@johnsoncontrols.com, m***@hotmail.com, and m***@cbre.com.

What is Mark Wiesner's phone number?

SignalHire found multiple verified phone numbers for Mark Wiesner: +1-205-***-**27, +1-323-***-**06, and +1-323-***-**13.

How do I contact Mark Wiesner at Colliers?

You can reach Mark Wiesner through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Mark Wiesner's professional background?

Mark Wiesner has 25 years of professional experience. They have held roles including Chief Commercial Officer | Chief Financial Officer, Business Strategy & Transformation, Cash Flow, Vice President of Finance & Controller | Financial Analysis, Accounting & Business Strategy, and Vice President Finance & Controller - GWS | Financial Planning, Financial Analysis, Accounting, M&A at companies such as CBRE Global Workplace Solutions (GWS), CBRE Global Workplace Solutions (GWS), and Johnson Controls. Their education includes Bachelor of Science - BS from University of Wisconsin-La Crosse.

Is Mark Wiesner's contact information up to date?

Yes. Mark Wiesner's SignalHire profile was last updated on 8 September 2025, reflecting their current position as Senior Vice President, Operations & Finance | U.S. & LATAM at Colliers in Toronto, Ontario, Canada.

Mark Wiesner Namesakes

Name
Company
Position
Mark Wiesner
L'Université de Rennes
Visiting Professor

Other employees at Colliers

Name
Company
Position
Aryan Jassal
Associate - Capital Markets and Innvestment Services
Eric Charlton
Property Accounting Intern
Madison Basile
Corporate Revenue Accountant
Kishore Khanna PN
Associate Project Manager

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