David Mandelstam - Email & Phone Number

Chairman at Sangoma

David Mandelstam is based out of Markham, Ontario, Canada and works at Sangoma as Chairman.

David Mandelstam's Contact Information

David Mandelstam's Work email

d*****@sango***.com

Valid

Latest update

October 15, 2025

Location

Markham, Ontario, Canada

David's current employer

Sangoma

Description

Sangoma Technologies is a trusted leader delivering value-based Unified Communications business phone systems.

Website

sangoma.com

HQ Location

Markham, ON, Canada

Number of employees

201-500

Industry

Telecommunications

Latest update

May 1, 2024

Read about Sangoma

Frequent questions about David Mandelstam

What company is David Mandelstam working for?

David Mandelstam works for Sangoma.

What is David Mandelstam's function at Sangoma?

David Mandelstam is Chairman at Sangoma.

Where is David Mandelstam based?

David Mandelstam is based out of Markham, Ontario, Canada.

What is David Mandelstam's work email address?

David Mandelstam's professional email address is d*****@sango***.com

Who are David Mandelstam's co-workers?

David Mandelstam's colleagues are Charles Salameh, Michael White, Norman Worthington, Lynn Brusky, Raúl Vera, Brian Smiley, Charlie Wilson, Tim Nelson, Sebastian Kiely, Vic DeBernardis, Marlon Akins, Laura Oberle, Tina Caudle, Joel Kappes, Kris Thoreson, Kevin McGrath, Nathan Bledsoe, Lauren Koopman, Darrell Royal, Sheila Jordan, Dana Bouras, Paul Pereira, Frederic Dickey, Kayla Swanson, Tyler Lancaster, Aaron Kanahele, Rich Gavaghen, John Roth, Malcolm Davenport, David Moore, Lilianne Raud.

David's co-workers

Charles Salameh

Chief Executive Officer

Michael White

Vice-President of Open Source Sales

Norman Worthington

Chairman Of The Board

Lynn Brusky

VP Telecom Compliance

Raúl Vera

EVP Software Engineering

Brian Smiley

VP of Wholesale

Charlie Wilson

Senior Vice President, Engineering and Operations

Tim Nelson

Senior Cloud Engineer

Sebastian Kiely

EVP Network Operations

Vic DeBernardis

Vice President of Telecom Distribution

Marlon Akins

VP of Expansion Sales

Laura Oberle

SVP, Customer Success

Tina Caudle

Vice President of Sales, Central Region at Sangoma

Joel Kappes

SVP, Customer Onboarding and Service Delivery

Kris Thoreson

Senior Content Manager / RFP Coordinator

Kevin McGrath

RVP Channel Sales - North Central

Nathan Bledsoe

Senior VP - Customer Success

Lauren Koopman

Channel Marketing Specialist and Digital Marketing Coordinator

Darrell Royal

VP of Solutions Specialists

Sheila Jordan

EVP of Operations

Dana Bouras

Vice President Sales Engineering

Paul Pereira

Cloud Services Manager, UK

Frederic Dickey

VP International Sales

Kayla Swanson

Sr. Partner Marketing Coordinater

Tyler Lancaster

Vice President Customer Operations

Aaron Kanahele

VP of Strategic Partnerships

Rich Gavaghen

Sr Vice President of Channel Sales

John Roth

VP - Sales Specialist Team

Malcolm Davenport

Vice President Of Product Management

David Moore

CFO

Lilianne Raud

VP Commissions / Forecasting

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