Kostis Mamassis
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Kostis Mamassis Email & Phone Number

CEO - Megaventory Inc. at Megaventory Inc.
Location: Allen, Texas, United States 9 work roles 3 schools
2 work emails found @megaventory.com 4 phones found area 698, 303, and 415 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 4 phones

Work email k****@megaventory.com
Direct phone (698) ***-****
LinkedIn Profile matched
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Current company
Role
CEO - Megaventory Inc.
Location
Allen, Texas, United States

Who is Kostis Mamassis? Overview

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Quick answer

Kostis Mamassis is listed as CEO - Megaventory Inc. at Megaventory Inc., based in Allen, Texas, United States. AeroLeads shows a work email signal at megaventory.com, phone signal with area code 698, 303, 415, and a matched LinkedIn profile for Kostis Mamassis.

Kostis Mamassis previously worked as CEO at Megaventory Inc. and Adjunct Lecturer - MATLAB programming language - Python programming language at University Of The Aegean. Kostis Mamassis holds Ph.D., Operations Research - Combinatorial Optimization from University Of The Aegean.

Company email context

Email format at Megaventory Inc.

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*@megaventory.com
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Profile bio

About Kostis Mamassis

I am the founder and CEO of megaventory.com, a super light and simple web-based ERP application used by organizations and businesses to manage inventory, manufacturing and sales. In the past, I co-founded diveshop.gr (2004-2009) and being its CEO, diveshop.gr became the market leader in the Greek retail diving sector after just two years of life.Since 2007, I am lecturing software development at the Department of Financial & Management Engineering (University of the Aegean) and I have being actively involved in numerous research and non-research projects related to transportation and logistics. Finally, I worked for Siemens ICS (2001-2003) as a telecoms engineer. I hold a PhD in Operations Research from the University of Aegean (Greece) and BEng + MSc degrees in Telecoms from the University of Essex (UK).I am father to two beautiful young ladies and I love sports and the sea: I am a keen freediver and spearfisherman (directed, produced and acted in a spearfishing/freediving DVD in 2004). In my free time I run long distances (finished the 2008 Athens marathon).Specialties: Growing & running a business, Startups & Internet, Telecommunications, Combinatorial Optimization, Supply Chain, Teaching.

Listed skills include Start Ups, Product Development, Enterprise Software, Telecommunications, and 23 others.

Current workplace

Kostis Mamassis's current company

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Megaventory Inc.
Megaventory Inc.
CEO - Megaventory Inc.
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9 roles

Kostis Mamassis work experience

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Ceo

Current

Allen, Texas, Us

Involved in all areas of running a web-technology startup company such as:- Strategic decision making- Product development (SW specs and requirements, client-side code, UI design and usability)- Extensive customer support (telephone calls and support emails)- Business plan & sales strategy development- Marketing strategy- Brand development- Web site traffic growth- Sub-contracting

Nov 2008 - Present

Adjunct Lecturer - Matlab Programming Language - Python Programming Language

Mytilene, Aegean, Gr

Lecturing the MATLAB laboratory course (2016, 2017, 2018, 2019, 2020 - 3rd year undergraduate course) and the Python course (2019 - 5th year undergraduate course) in the Financial and Management Engineering Department of the university.

Feb 2016 - Sep 2020

Adjunct Lecturer - Matlab Programming Language

Mytilene, Aegean, Gr

Lecturing the MatLab course (3rd year undergraduate course) in the Financial and Management Engineering Department of the university.

Feb 2014 - Sep 2014

Adjunct Lecturer - Matlab Programming Language

Mytilene, Aegean, Gr

Lecturing the MatLab course (3rd year undergraduate course) in the Financial and Management Engineering Department of the university.

Feb 2011 - Sep 2011

Adjunct Lecturer - Matlab Programming Language

Mytilene, Aegean, Gr

Lectured for a full semester the MatLab course (1st year undergraduate course) in the Financial and Management Engineering Department of the university.

Feb 2010 - Sep 2010

Research Officer

Mytilene, Aegean, Gr

As a research contractor in the Gov. funded project "MO.R.S.E" (2003-2005), I was involved in analysis and specification of the system and in developing (in MatLab language) the re-routing algorithms used by the MO.R.S.E system to re-route in real-time a fleet of vehicles responding to an unplanned emergency situation. The research project was successful and the emerged system (HW&SW) was also incorporated in supply chain distribution companies.As a research contractor in the EU funded project "TRANSit" (2009-2011), I was involved in analysis and specification of the system and in developing the front-end interface (asp.net & css) for the TRANSit platform. The platform itself provides a simple web interface and calculates intermodal transportation routes to help transportation carriers and forwarding companies find green cargo routes in Europe without using the road network.

Nov 2003 - Sep 2010

Adjunct Lecturer (P.D. 407/80) - Matlab Programming Language

Mytilene, Aegean, Gr

Prepared the structure and requirements of the MatLab course (1st year undergraduate course) in the Financial and Management Engineering Department of the university. Lectured for a full semester.

Feb 2007 - Sep 2007

Ceo

Diveshop.Gr

I co-founded diveshop.gr (Original company name: Mamassis K., Kamarianakis I. GP) which started as the 1st Greek e-shop for underwater sports (freediving, spearfishing, snorkeling and scuba-diving). As a CEO, I was involved in all aspects of managing a startup company and especially in building a the company identity, sales and marketing strategy and developing customer care guidelines. I was also involved in day-to-day operations such as maintaining the web-site, answering customer emails and preparing orders (picking, packing and dispatching). In 2006 diveshop.gr launched a franchise network with the first retail shop opening up in Heraklion (Crete, Greece). The company soon became the largest retail distributor of underwater sports equipment in Greece reaching more than $1M in sales (2008) when I stepped down as its CEO.

Nov 2004 - Nov 2008

Telecommunications Engineer

Siemens Ics

(2001-2002): Driving out to mountain peaks and verify correct installation and operation of high capacity microwave antennas and associated hardware. Leading a group of 4-6 people (HW technicians and antenna installers). Performing the measurements and fine tuning of the antenna and hardware equipment and delivering the installation to the client by signing the associated work-order document.(2002-2003) Engineer in charge for a very high capacity fiber optic Siemens built device (SXA). Dealing with new device installations (leading a group of 4-6 technicians and installers), live traffic, technical support and SW upgrades. Gave an extensive 40-hour technical seminar to 8 high qualified Vodafone engineers regarding telecommunication protocols and best practices for the SXA and awarded a bonus for my achievement in it.

May 2001 - Aug 2003
3 education records

Kostis Mamassis education

Ph.D., Operations Research - Combinatorial Optimization

University Of The Aegean

Msc, Telecommunications Engineering

University Of Essex

2.1 (Honours), Telecommunication Engineering

University Of Essex
FAQ

Frequently asked questions about Kostis Mamassis

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

What company does Kostis Mamassis work for?

Kostis Mamassis works for Megaventory Inc..

What is Kostis Mamassis's role at Megaventory Inc.?

Kostis Mamassis is listed as CEO - Megaventory Inc. at Megaventory Inc..

What is Kostis Mamassis's email address?

AeroLeads has found 2 work email signals at @megaventory.com for Kostis Mamassis at Megaventory Inc..

What is Kostis Mamassis's phone number?

AeroLeads has found 4 phone signal(s) with area code 698, 303, 415 for Kostis Mamassis at Megaventory Inc..

Where is Kostis Mamassis based?

Kostis Mamassis is based in Allen, Texas, United States while working with Megaventory Inc..

What companies has Kostis Mamassis worked for?

Kostis Mamassis has worked for Megaventory Inc., University Of The Aegean, Diveshop.Gr, and Siemens Ics.

How can I contact Kostis Mamassis?

You can use AeroLeads to view verified contact signals for Kostis Mamassis at Megaventory Inc., including work email, phone, and LinkedIn data when available.

What schools did Kostis Mamassis attend?

Kostis Mamassis holds Ph.D., Operations Research - Combinatorial Optimization from University Of The Aegean.

What skills is Kostis Mamassis known for?

Kostis Mamassis is listed with skills including Start Ups, Product Development, Enterprise Software, Telecommunications, Teaching, Supply Chain, Combinatorial Optimization, and Leadership.

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