COL (RET) Timothy Ringgold

US Army (Ret)

Michael Sullivan


Andrew Lubin


Professional Excellence

Meet Our People

DSIG is an International Project Management Firm with a decade-plus of experience. We are a proven, reliable partner assisting a variety of clients to achieve their goals and objectives. From security and construction to modernizing combat vehicles, we’re here to help. 

Our Team comes from a wide range of backgrounds with decades of experience in multiple fields from Civilian to Military. Combined this gives us the capabilities to adapt quickly and effectively to situations as they arise and ensure that we deliver on time, on spec, on budget.

COL US Army (Ret)


Timothy Ringgold is an Adjunct Professor of leadership and economics, an expert on armored vehicle repair and upgrade and a consultant to military equipment-related firms.  Prior civilian corporate positions include service as a CEO, COO, and board member.  Until January 2019, Tim chaired the Business Department at Rosemont College in suburban Philadelphia and Director of the Institute for Ethical Leadership and Social Responsibility where he promoted the study and teaching of ethics, leadership, and crisis management with a view to fostering moral awareness and ethical engagement throughout the business and government communities.

Tim began his Army career right out of high school as an enlisted infantry private. He graduated from the United States Military Academy at West Point and served a total of thirty years before retiring from active duty with the rank of Colonel. His Army assignments included command of two infantry rifle companies and service as Commandant of the Officer Candidate School. After extensive service in the Pentagon, Tim commanded a mechanized infantry brigade of six battalions with over 4,400 combat arms troops.

At the Pentagon, Tim served three years as Director of Congressional Affairs on the Army Staff with service on Capitol Hill, spent 3 ½ years as Deputy Assistant to the Chairman of the Joint Chiefs of Staff.

From his Army retirement until 2013, Tim was the Chief Executive Officer for an international defense, security, and energy company and dual-hatted as the firm’s Regional Manager for the Middle East and Africa. In this capacity, he worked with or in more than 40 countries and dealt with numerous U.S. Government organizations, foreign governments, and international agencies.

Tim’s academic credentials include a Master of Philosophy degree in Public Policy (ABD Ph.D.) and a Master of Arts (M.A.) in Legislative Affairs, both from The George Washington University; an M.A. in Economics from the Fox School of Business at Temple University; diplomas in National Security Policy from the U.S. Army War College and the Command and General Staff College; and, a Bachelor of Science (B.S.) in Physics from the U.S. Military Academy at West Point.



Michael Sullivan brings with him, over 35 years of Military and Corporate experience.  His Military experience extends from active duty Army, to Army Reserve and National Guard.  Specialties include, NCO level; Armour Specialist, Vehicle Maintenance/Fleet Management and Aviation.  He also has expertise as small arms armourer and served as Battalion Level Soviet (threat) Armour, Subject Matter Expert.

Michael’s private sector experience covers a vast career in every facet of Communications engineering/operations, including: voice, data and security over copper, fiber and wireless.  Expertise includes, management of large multi-million-dollar nation-wide projects as well as operations of established networks. Tenures include:  Rochester Telephone, Global Crossing and Frontier Communications, where he has built a reputation for bringing the latest technologies to the field; on time, and on budget.

Michael is a prolific mechanic and writer, having consulted on numerous vehicular projects, primarily the upgrade and repower of M-Series vehicles, including prototype testing and documentation, as well as press writing for journal publication.   

In his spare time, Michael supports NGO’s as a board member and team leader, providing disaster relief coordination and field deployment of resources.   His teams currently provide regional support of food supply, medical, education and housing for needy children in Haiti and Africa.



Andrew Lubin has made international trade his career. After graduating from the world-renowned Thunderbird School of Global Management, Andrew’s worked as a metals-trader in London, UK, where he bought and sold non-ferrous metals and ferroalloys globally. In this position he learned the intricacies of currency trading, shipping & logistics, and international finance & payments. This was the beginning of a 45-year career enabling him to travel the world; eventually visiting 84 countries (and counting!), while also teaching international trade-related undergraduate and graduate courses both in-class and online

From 2006-2012 Andrew linked-up with the U.S. Marines in Iraq as a USMC Combat Journalist, deploying with them four times into Ramadi, Fallujah, and Western Anbar, before moving into Afghanistan seven times. His ‘boots-on-the-ground’ style of reporting led to three books, 30+ print magazine articles, and 100+ web pieces – and a monthly readership in 2007 of some 1.3 million. Afterwards Andrew returned to teaching, where he ran the International Business and Management departments at a private Philadelphia 4-year college until 2018.

In his private time Andrew is the president of a Bucks County, Pa. vintage British car club, is producing a documentary covering US Marine operations in Afghanistan, and is planning his next overseas adventure.