On The Mark Private Investigations


Boston Magazine Shoot

Boston Magazine Shoot

Mark W. Chauppetta, President

Mark W. Chauppetta is a prominent and highly sought after investigator known for his tireless work ethic and relentless effort. He performs private investigations in Massachusetts, Rhode Island, and across New England. Cheating husband investigations is one of his specialties.

He has appeared on Howard Stern, and been profiled in countless magazines and media outlets, including Chronicle, Boston Magazine, the Boston Phoenix, and a regular on Ron Vandam and the Loren and Wally Show WROR 105.7.

Mark (also known as Mark Chauppette) is the owner and President of On the Mark Investigative Services, Inc. formally owner of MWC Investigations, Inc. He has been a professional investigator for over 20 years. Mark started his career at 18 years of age working for the Commonwealth of Massachusetts Department of Corrections as a guard. In 1992, he decided to move forward in his career and embark on a career as a private detective. While under the tutelage of Douglas Florence and Jeffrey Perry, Special Sheriff of Barnstable County, he also served warrants for the Plymouth County Sheriff’s Department to make ends meet. In 1995, Mark successfully obtained his license from the Massachusetts Department of State Police opening up shop in Brockton, Ma. Since then Mark W. Chauppetta has become one of the most well respected investigators in the state, specializing in all areas of investigative and security industry. Mark ran a campaign for Massachusetts State Representative in 2004. He has occasionally hosted his own radio show on AM 1460 in Brockton and on the internet.

A retired MMA fighter, Mark is constantly working for his charities and available for speaking engagements



Hilary DeVary – Consultant

Hilary is one of the leading female investigators in the country with over 15 years experience. She is the owner of AFI Investigations Inc based in Minnesota although works all over the country on assignment. Hilary is well respected and sought after on cheating spouse cases, decoy from time to time, and covert surveillance.

Hilary had dreams of being an FBI agent, although her first calling was an actress.  She was featured in many local commercials, and stage productions in my early 30’s and loved “acting” so much that becoming a PI was a perfect transition one that is challenging with many rolls.  Hilary is always there for her clients at AFI and to help Mark on assignment.

Scott Derby Security Consultant

Scott Derby began his career with the US Air Force in 1989. Since then he has performed varied duties in law enforcement, physical security and anti-terrorism. Scott Derby worked at the Air Force’s largest nuclear weapons storage area as Shift and Convoy Commander. Scott Derby served as Air Base Defense Officer at an air base in South Korea. Scott Derby served as Security Forces Operations Officer and Anti-Terrorism Officer.

Scott Derby has written or reviewed countless emergency plans. Scott Derby has been to numerous AF, Department of Defense and civilian schools on anti-terrorism programs and has conducted vulnerability assessments and certified by FEMA on emergency planning.

Scott has since transitioned to the corporate world working for a fortune 500 company. Scott Derby has managed emergency programs to include establishment of a company wide threat preparedness program. In June of 2003, Scott Derby has taken another step forward in his professional career working as a consultant for On the Mark Investigations.

Eric Lundberg, Computer Forensics Consultant

The founder of Byte Recovery Solutions (B.R.S. Eric Lundberg) was the first in the State of Massachusetts to be appointed and titled “Computer Crimes and Forensics Specialist”. Eric is considered as being one of the first pioneers in the country to recognize the need for computer forensic related services. Serving 16 years in Law Enforcement as a police investigator/detective, he has helped pave the way for law enforcement since the early 90’s, by training more than 5000 students nationwide in all facets of computer crime investigations and computer forensics. Part of these trainings includes the Massachusetts State Police, Massachusetts Attorney Generals Office, District Attorney Offices, and many layers of the Federal Government. This includes expert testimony courtroom experience. Eric has participated in the formation of the State of Massachusetts first High Tech Crime Unit, and again another southern Massachusetts Task Force called REACCT (Regional Electronic and Computer Crimes Task Force). B.R.S. has ‘In the Trench” experience. Over the course of 7 years, Eric has performed over 14,000 hours of hands on investigations and computer forensics for the Commonwealth of Massachusetts. This pioneer experience puts Eric and Byte Recovery Solutions in a unique capacity.

ken-diesenhofKenneth M. Disenhof, Legal Consultant


Attorney Kenneth M. Diesenhof is a licensed attorney on both the state and federal level.  He has twenty years of experience in both Immigration Law and Banking Law including loan workout and modification.  He has lectured both in the U.S.A. and internationally on wide variety of topics in Immigration law.

Attorney Diesenhof received his B.A. in Political Science and History form the University of Vermont in 1989, his Juris Doctor from New England Law in 1992 and his Master of Laws in Banking and Financial Law from Boston University School of Law’s Morrin Center for Banking and Financial Studies in 1996.

He is admitted to the following bars.

U.S. Court Appeals for the Federal Circuit

U.S. Circuit Court of Appeals for the First Circuit

U.S. District Court for the District of Massachusetts

Board of Immigration Appeals

Executive Office of Immigration Review-Immigration Court

Board of Veterans Appeals

Court of Claims for Veterans Claims

Commonwealth of Massachusetts-Supreme Judicial Court

Russell Matson, Legal Consultant




Attorney Matson of the Law Offices of Russell J Matson, PC is a top lawyer who works exclusively in the area of criminal defense and OUI / DUI Laws in Massachusetts. His website has all the details on how he can help protect your rights if you’ve been arrested on drunk driving, or other criminal charges



Kevin Mercuri, Public Relations


Kevin A. Mercuri is a twenty year veteran of public relations and  related disciplines. His experience ranges from the halls of Congress,  to board rooms and basement start-up offices.

Prior to founding  Propheta, Kevin developed and led the formidable Online and Technology  division at 5W Public Relations where he served as senior vice  president. During his five years with the agency, 5W grew from a  boot-strap start-up to an Inc 500 company.

Prior to 5W, Kevin led  PR teams at RLM and Edelman’s PR21 agency where he worked with  consumer, corporate, technology, nonprofit and business clients.

Kevin’s  experience also extends to Washington, DC where he lobbied and  performed public affairs on behalf of business and nonprofit interests  including manufacturing, technology, public health, energy and academia.

While  serving as communication director for the Washington, DC-based Internet  Alliance, Kevin worked with a wide range of technology leaders from AOL  to Citibank’s nascent online banking division. Kevin’s Washington team  created industry standards for the online banking and gaming industries  and is credited with rolling out fledgling technologies to business and  consumer audiences.

A graduate and former part-time instructor at  Emerson College, Kevin holds a masters degree in communications and  sits on the board of several companies and charitable organizations.