David Markham: Email & Phone Number

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Founder & Principal at DMG Ltd.|Philadelphia, Pennsylvania, United States

Position:

Founder & Principal at DMG Ltd.

Location:

Philadelphia, Pennsylvania, United States

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Last updated: 2026-10-25

Updated: 2026-10-25

Found email addresses for David Markham:

Business emails:

m***@theclaystudio.org

Personal emails:

d****m@gmail.com

Found phones for David Markham:

+1-480-***-**74,

+1-480-***-**26,

+1-623-***-**35,

+1-480-***-**10

Prospect analytics

Availability

TimezoneEST

Best time to contact12:00 PM – 4:00 PM

A different David Markham?

Work Experience 21 years

Founder & Principal at DMG Ltd.

Jul 2022 - Current

Teaching Assistant, Ceramics at Groundworks Art Lab

Jan 2026 - Current

Co-Founder at Alkemi Consulting and Development

Sep 2022 - Sep 2024

Strategic Advisor at National Psychedelics Association

Sep 2020 - Sep 2023

Co-Founder & Principal at Perry Felix Design

Sep 2013 - Sep 2020

Studio Assistant at The Clay Studio

Sep 2014 - Sep 2015

Curator & Gallery Operator at Gallows Design Gallery

Sep 2011 - Sep 2014

Performer & Stage Technician at The Living Theater

Sep 2007 - Sep 2011

Freelance — Lighting and Set Design and Installation at Self-Employed

Sep 2007 - Sep 2010

Gallery Assistant at Cummings Art Center, Connecticut College

Sep 2005 - Sep 2007

David Markham started working in 2005, then the employee has changed 9 companies and 9 jobs. On average, David Markham works for one company for 3 years.

Their professional focus is Adobe Creative Suite, Advertising, and Art across 3 core areas.

Education

Specialized program at Fox School of Business at Temple University

Bachelor of Arts at Connecticut College

Leadership program at NOLS

Specialized program at NYU Steinhardt School of Culture, Education, and Human Development

Ceramics at Peters Valley Arts and Crafts Center

Frequently Asked Questions

What is David Markham's email address?

SignalHire found verified email addresses for David Markham, both business and personal. Their business email is m***@theclaystudio.org, and personal emails include d****m@gmail.com.

What is David Markham's phone number?

SignalHire found multiple verified phone numbers for David Markham: +1-480-***-**74, +1-480-***-**26, and +1-623-***-**35.

How do I contact David Markham at DMG Ltd.?

You can reach David Markham 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 David Markham's professional background?

David Markham has 21 years of professional experience. They have held roles including Teaching Assistant, Ceramics, Co-Founder, and Strategic Advisor at companies such as Groundworks Art Lab, Alkemi Consulting and Development, and National Psychedelics Association. Their education includes Specialized program from Fox School of Business at Temple University, and Bachelor of Arts from Connecticut College.

Is David Markham's contact information up to date?

Yes. David Markham's SignalHire profile was last updated on 25 October 2026, reflecting their current position as Founder & Principal at DMG Ltd..

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