15 Years of Evolution & Growth

Since 2007, Engage Branding House has been serving founders and corporate clients achieve new heights in Design, Graphics, Technology & Code Development, Marketing & Strategic Planning, and Corporate Structuring.

Led by Matthew Diab, Engage Branding House has evolved to what will soon be Engage Development Group since the recent acquisition into several well known and leading business solutions agencies such as RainySky Films and Cause of Capital. Engage Development Group is a legendary team assembled and led by Matthew Diab focused on offering companies in various sectors achieve reliable and monetizable growth. Take an opportunity to schedule a consultation with our team to discuss the viability and opportunity of your project. Our team is currently focused on select projects with attractive and scalable growth potential, but we love to meet everyone so let’s start with a conversation.

Engage Development Group is a subsidiary of New Republic Holdings & New Republic Transport.


Founder / CEO

With over 18 years of marketing, logistics, & strategic development experience, Matthew Diab is the Founder of Engage Branding House, Engage Development Group, and most recently, the visionary and Co-founder of MOVEGUARD.

Arrash Ahamdnia

Founder / Partner

Arrash Ahmadnia is an established D.D.S as well as the Co-Founder of New Republic Transport & MOVEGUARD, the primary tech asset of New Republic Holdings & Engage Development Group.

Dana Belmond

COO / VP Marketing

Dana Belmond is an award winning actor, model, and audio engineer. With over 20 years of creative experience.

Kathy Muller

Project Manager

Kathy is the glue that holds together the internal operation of Engage Development Group and it’s many moving parts.

Mathew Diab

Founder / CEO

Matthew was attending The King’s College when he was offered a Director of Sales position at PizzaAdz 2004, which was a local NYC out of home ad agency. Matthew was able to lead the company to national coverage within six months. In 2007, he went on to open Engage Branding House after reaching the combined role of VP of Technology, Marketing, & Business Development at PizzaAdz. For 15 Years, Matthew had the opportunity to serve as a strategic consultant, CTO, and marketing specialist for clients in over a dozen industries ranging from fashion & food to retail & transport.  Matthew is an experienced & skilled business analyst, operational and logistical strategist, graphic designer, UX designer, web (2.0 / 3.0) & app developer, & marketer. Every Project in our works section has had the personal touch of Matthew Diab. Today New Republic Holdings owns interest in various companies all under the supervision of Engage Development Group and it’s leader, Matthew Diab. From Finance and Media, to Design and Development, Matthew has created an impressive portfolio for his partners and clients alike.

Dana Belmond

COO / VP Marketing

Dana is the COO, Marketing & Creative Director of all NRT Platforms including Engage Development Group and New Republic Holdings assets. For 2 years, Dana has brought invaluable brand and marketing insight to the Engage & New Republic team combined. His diligent work ethic coupled with decades of creative and marketing experience make him an asset to any growing organization. Being part of National broadcasts himself and having two decades audio engineering & marketing experience allow him to help Engage Branding House & it’s many assets such as New Republic Transport.

Dr. Arrash Ahmadnia

Founder / Partner

Dr. Arrash Ahmadnia attended California State University where he completed his BS in Biology. He then went on to the University of Southern California School of Dentistry to complete his D.D.S in 2005. Arrash since then relocated to Missouri to eventually open over 6 dental practices throughout both Missiouri and Kansas. While doing so, he has also managed to embed himself deeply into the Missouri Real Estate industry as a successful developer.

Arrash has joined Matthew from inception to build what is now Engage Development Group and MoveGuard, a Trademark under New Republic Transport. Arrash brings valuable guidance and a proven track record of building scalable & profitable companies as he has done so with his own dental practice and real estate projects for many years.

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