Damon Hacker, MBA, CISA, CSXF, CMMC-RP

As a founder of Vestige, Damon has over 30 years experience working with technology. For more than 20 years, he has worked in the industry or consulted businesses on big-picture IT Management issues, as well as deeply technical issues. His foundation as a programmer/developer, formal training in IT, as well as years of experience working with businesses provides him with an extremely deep understanding of a multitude of issues that arise on digital devices.

Helping to shape the fast-moving CyberSecurity & Digital Forensics industries.

His software development experience further provides him with a deep understanding of how data is stored, and where it is stored, which gives him a distinct advantage when considering how Digital Forensics can be used to obtain the evidence.

Since 2001, Damon has been involved in the digital forensics field. He has developed the techniques and procedures that protect and preserve the evidence, allowing its admissibility in courts, as well as performing the actual analyses on cases. He has testified in State and Federal courts and has been recognized as an Expert in Computer Forensics under Federal Rules of Evidence 702. He is a member of the International Society of Forensic Computer Examiners (ISFCE), Information Systems Audit and Control Association (ISACA) and stays active in several Computer Forensic-only message boards.

Helping to shape this important and fast-moving industry, he is responsbile for leading Vestige and overseeing corporate strategic direction and growth, finance and administration, as well as the sales and marketing functions of the company.

Damon is a sought-after speaker on the topic of Cybersecurity, Forensics, Electronic Discovery, IT Security and IT Audit subjects and has given presentations and been part of expert panels within the region, including presentations to several Professional Associations (legal, accounting and others), in the Information Security area, as well as seminars to area attorneys and law firms. He has also been published a number of times on topics relating to Computer Forensics as well as other Technology related subjects.

Damon earned his Master in Business Administration from the Weatherhead School of Management, and his undergraduate degree from Case Western Reserve University. In addition he holds the Certified Information Systems Auditor (CISA),  (CSX) Cybersecurity Nexus Fundamentals certification from the Information Systems Audit and Control Association (ISACA). He is also a CMMC Registered Practitioner (CMMC-RP) for DoD cybersecurity compliance.


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Greg Kelley, BS, EnCE, DFCP

As a founder of Vestige, Greg has been involved in the digital forensics field since 2000. He is responsible for the creation of Vestige’s infrastructure and continues to oversee the process of standardizing and streamlining Vestige’s forensic analysis to provide consistent high-quality results in a timely basis.

Leading the Digital Forensics field since 2000.

Greg leads Vestige’s Digital Forensic and E-Discovery services. His responsibilities include helping to determine strategic direction of the company and overseeing the day-to-day operations and internal Information Systems infrastructure. He helps in performing as well as managing the digital forensic investigations and leads the Data Evidence Specialists and Forensic Analysts on the Vestige team.

Greg has 20 years of experience working in the computer industry. His various positions and responsibilities included custom software design and implementation, network management and security, database programming, disaster recovery and end-user support. For the past 15 years, Greg has helped Vestige become one of the few companies capable of performing comprehensive digital forensic investigations. He has worked on criminal and civil matters covering areas such as intrusion and incident response, intellectual property theft, fraud and uncovering hidden assets. Greg is experienced and has testified in State court and Federal court in both civil and criminal cases.

Greg graduated cum laude with a Bachelor of Science degree in Computer Engineering and a minor in Artificial Intelligence from Case Western Reserve University. He holds the professional designation of Encase Certified Examiner (EnCE) and Digital Forensics Certified Practitioner (DFCP). He is an active participant in the digital forensics industry having spoken at conferences such as Techno Forensics, ISS World (Intelligent Support Systems), Computer and Enterprise Investigations Conference (CEIC) and Paraben Forensic Innovations Conference (PFIC). Prior to Vestige, Greg was founder of two predecessor computer consulting companies in the Ohio region.

Headquartered near Cleveland, OH, Vestige supports litigation work throughout the U.S., and supports cases  internationally as well.



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Theresa Gyorok

Theresa joined Vestige in 2009. As Operations Manager, she is responsible for planning, directing and coordinating Vestige’s administrative operations including: budgeting, company reporting, tax preparation, accounts payable, credit card transactions, payroll and benefits. Her duties also include improving business processes and policies in support of organizational goals using Standard Operating Procedures.


Manages the Operations at Vestige.

She provides support to Sales, Marketing and Customer Service and supervises the Office Administrator and works in conjunction with Sales & Finance Support staff. Theresa also provides strategic input and assists in the development of strategic plans for operational activity as a liaison to Administration. Prior to joining Vestige, Theresa worked at BF Goodrich, Dow Chemical and Eaton Corp.


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Betsy Mikalacki, BA

Betsy brings extensive expertise to Vestige’s Marketing Department having worked in technology, medical, and manufacturing sectors. She coordinates all internal and external communications including strategic planning, budgeting and management of Vestige’s marketing and promotion endeavors. Her responsibilities also include traditional and virtual tradeshows, website, social media, CRM, advertising, media relations, speaking engagements, publications and collateral management.

Experienced marketing and communications professional.

She is a graduate of The Ohio State University with a Bachelor’s Degree in Journalism, specializing in Public Relations. She is a member of the American Marketing Association and is a graduate of the Leadership Medina program. Betsy joined Vestige in 2016.



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Jane Flynn, BS

Jane joined Vestige in June of 2019 as Director of Sales. She is based out of Vestige’s New York City office.

Her responsibilities include expanding business, increasing the company’s geographic growth initiatives, and establishing new long-term relationships with the clients in Vestige markets to enable them to make better use of digital evidence as well as effective cybersecurity compliance and utilization.

National sales expert in the technology field.

She has extensive industry knowledge and experience building eDiscovery, Digital Forensic Practices and CMMC Cybersecurity Compliance. As a former national accounts sales manager, Jane is very connected throughout the nation in this specialized industry.

She is a graduate of The University of Wisconsin – Stout where she earned a Bachelor of Science Degree.

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Now Hiring

Vestige is now interviewing for this position. Visit CAREERS section of this website for details.

Vestige offers great opportunities of salary plus commission for this role as well as excellent benefits.

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Danny Stemple, BS, CCO, CCPA, ACE

Kenneth “Danny” Stemple, Jr., hails from Parkersburg, WV, where he attended Parkersburg H.S. He received an Associate of Arts degree in Computer Science from West Virginia University and went on to complete a Bachelor of Science degree in Digital Forensics from Marshall University in WV in 2016.

He currently holds three professional designations:  Cellebrite Certified Operator (CCO), Cellebrite Certified Physical Analyst (CCPA), and AccessData Certified Examiner (ACE).

CyberSecurity Testing Expert

Danny is a CyberSecurity Analyst at Vestige.  This includes helping contracted organizations with CyberSecurity Readiness, Vulnerability Scanning, External Penetration Testing, Compliance Audits and IT General Control Audits.

He also has experience as a Forensic Analyst at Vestige, before moving over to cybersecurity.


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Jade Brown, BA, C|EH, GCTI

Jade Brown resides in Beachwood, OH. She earned a Bachelor of Arts Degree in Linguistics from Ohio University in Athens, OH. Jade served as an Ambassador for the Taiwan-U.S. Sister Alliance (TUSA) and was a TUSA Scholarship recipient.  The pattern-thinking style which served Jade well in subjects such as language acquisition, and political science enabled her to cultivate her interests in technology, cyber forensics, and threat intelligence.

Gaining clarity on client cybersecurity.

She went on to earn a Graduate Program Certificate in Computer Forensics from Utica College, in Utica, NY. She leveraged her Mandarin and cultural expertise as an active participant in cyberintelligence forums on Chinese information warfare, denial and deception, and state actors.

Jade went on to earn Certified Ethical Hacker (C|EH) certification from the EC-Council. She also earned GCTI certification through GIAC / Sans Institute for Cyber Threat Intelligence. Jade is a member of InfraGard’s Northern Ohio Chapter.

As a Cybersecurity Analyst, Jade helps to conduct proactive Cybersecurity Services for Vestige clients. She is experienced in:

  • Conducting CyberReadiness and CyberSecurity Maturity Model Certification (CMMC) Assessments, including completing a gap analysis and report of findings
  • Creation, review, and updating of a System Security Plan (SSP) and Plan of Actions and Milestones (POAM)
  • Current and developing issues in Data/Asset Protection and System Hacking
  • Assisting clients in reporting on security controls and achieving compliance with the security objectives identified in frameworks such as CIS Benchmarks and NIST 800-53
  • Conducting network and web application penetration tests, physical security assessments, and vulnerability assessments
    Practices in auditing and assessment, policy review, system and network security, threat identification, reconnaissance, exploitation, and anti-forensics.
  • She previously worked as a Data Evidence Specialist at Vestige, and has experience is this arena as well.



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Ian Finch, BS, GCFA, GNFA

Ian Finch joined Vestige in 2014. He first interned at Vestige during college, after graduation he was hired as a Digital Evidence Specialist, promoted to Forensic Analyst in 2016, then accepted his current position as Senior Forensic Analyst in 2018. In this role, he is responsible for analyzing, testing and reporting on Electronically Stored Information (ESI) on digital devices from clients, opposing parties, and third parties.

Ian has a deep knowledge of both the technical and the legal aspects of Digital Forensic matters. To assure accurate outcomes, the Scientific Method of Testing is appled to each case. He works closely with clients throughout the forensic process and provides exceptional reporting. This includes memos, verbal report of findings, or written Expert Report. He also provides deposition, hearing and trial Expert Testimony. He takes special interest in malware analysis.

Expert in fraud, IP theft, and criminal cases.

Ian completed a Bachelor’s Degree in Digital Forensic Science from Defiance College in Defiance, OH. He holds the professional designation of GIAC Certified Forensic Analyst (GCFA) through the SANS Institute. He also holds GIAC Network Forensic Analyst (GNFA) certification.  .


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Alyssa Rhodes, BS, AS, DFCA

Alyssa Rhodes is originally from Ashtabula, Ohio. In 2015 she graduated from Pittsburgh Technical College in Oakdale, PA where she earned an Associate Degree in Science, Information Technology.  She also completed an internship at Vestige in 2015. She went on to earn a Bachelor of Science Degree in Computer Forensics and Digital Investigations through Champlain College, Burlington, VT.


Digital Forensics Expert

She joined Vestige as a Data Evidence Specialist  in March 2018.  She was quickly promoted to Forensic Analyst in May 2019, then Senior Forensic Analyst in April 2022. She holds certification as a Digital Forensic Certified Practitioner (DFCA) through the national Digital Forensics Certification Board.

As a Forensic Analyst she is responsible for securing, preserving, analyzing and reporting on Electronically Stored Information (ESI) from clients, opposing parties and 3rd party digital devices that have been retained by Vestige.


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Chris Mammarella, EnCE

Christian Mammarella is a Senior Forensic Analyst.  He joined Vestige in 2022 when Vestige acquired Cyopsis in Englewood, CO. Chris is now head of the Colorado office.

Chris has over 17 years of military and law enforcement experience. He is a proud veteran of the U.S. Army and previously worked in computer crimes for the State Attorney’s Office in the Sexual Predator Enforcement Unit in Florida.  Having received training from the Secret Service and other government agencies, Mr. Mammarella put his training to work investigating digital crimes for various law enforcement agencies and task forces.   He has testified in Federal, State, and Military Court and trained other officers in digital evidence investigation.

His is a member of the Internet Crimes Against Children, Miami Electronic Crimes Task Force, Palm Beach County Sexual Predator Enforcement Unit, and Grid Cop.

Originally from Florida and also having worked in Texas and Colorado, Chris brings an excellent reputation and numerous clients to Vestige.

Digital & Cell Forensics Expert


Chris has examined computer systems and mobile devices in Corporate HR, IP Theft, Insurance fraud and data recovery cases. He has also worked with his clients to create investigative production protocols to protect the client’s privacy. He is a Licensed Private Investigator in the state of Texas. He holds an OpenText forensic certification as an Encase Certified Examiner (EnCE). He has testified as a forensic expert for cases involving cell tower analysis, as well as in Federal, State and Military courts. He has been appointed to work as a neutral third party
by the courts. Christian has produced to the jury, video and graphic depictions of the electronic evidence.

Representative analysis conducted includes, but is not limited to:

  • Searches for evidence that IP has left or been copied from the computer
  • Locating evidence of wiping utilities and cloud usage
  • Identifying external devices connected to the system
    Determining locations and usage of mobile devices
  • Examined email activity and conducted keyword searches
  • Recovered and restored data

His approach to investigations comes from a combination of the civil and criminal investigative techniques. Years of working cases from both sides, gives him the advantage of providing the client, accurate and insightful results. He also has extensive deposition, hearing and trial Expert Testimony experience. Chris also actively speaks to groups on Digital Forensics.


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Taylor Lampert, BS

Taylor Lampert joined Vestige in 2021. As a Digital Evidence Specialist, he is responsible for acquiring Electronically Stored Information (ESI) on digital devices from clients, opposing parties, and 3rd parties.  The data is then preserved and/or prepared utilizing forensically-sound procedures for case analysis. Specialists are also responsible for safekeeping, managing and returning physical evidence belonging to clients, opposing side and/or third parties.


Preservation specialist.

Taylor hails from Johnstown, OH.  He is a graduate of Gahanna Lincoln High School. He went on to earn a Bachelor of Science Degree in Digital Forensics from The University of Akron, in Akron, OH. He graduated in May of 2021. While at Akron he took numerous digital forensic courses applicable to his new position including forensics software: Autopsy, Access Data Forensic Tool Kit (FTK) imager applications, Linux, Prodiscover Basic, and Wireshark.

Taylor was a member of the college’s CAST Student Advising Club. He also worked as a Technology Advisor.


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Kurt Ekensten, BS

Kurt Ekensten joined Vestige in 2022. As a Digital Evidence Specialist, he is responsible for acquiring Electronically Stored Information (ESI) on digital devices from clients, opposing parties, and 3rd parties.  The data is then preserved and/or prepared utilizing forensically-sound procedures for case analysis. Specialists are also responsible for safekeeping, managing and returning physical evidence belonging to clients, opposing side and/or third parties.


Forensic Collection Expert

Kurt hails from Ashtabula, OH where he graduated from Edgewood Senior High School.  He went on to earn a Bachelors Degree in Digital Forensics from The University of Akron.  He also completed a Certificate Degree in Computer Forensics.  He is a member of Alpha Phi Sigma, a criminal justice honorary society.  He graduated from Akron U in May 2022.

He successfully completed an internship at Vestige Digital Investigations, was then hired as a temp where he returned digital evidence to clients, then was hired full-time in July 2022 as a Digital Evidence Specialist.

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Daniel Colwell

Daniel Colwell of Seven Hills, OH joined Vestige Digital Investigations as an Application Developer in 2020.

Dan graduated from the Cuyahoga Valley Career Center in Brecksville, OH where he completed the Computer Science Program. He also attended Cleveland State University for Computer Science.

Dan brings nine years of experience to the position having in-depth knowledge of programming in SQL, .Net, C #, JavaScript, VBScript and many more programming languages.

Skilled Software Programmer

As an Application Developer at Vestige, Dan will lead the software development efforts including Vestige’s CRM, financial software, evidence tracking system, database work, and other custom programming and analysis projects.

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Jennifer Hacker, BS

Jennifer Hacker, joined Vestige in 2021 in the Finance & Sales Support role. She assists finance in both accounts receivable and accounts payable duties.  She also provides support to Sales by adding key opportunities to the company CRM software.

Jen is also active in Human Resources including recruitment, on-boarding/off-boarding, benefits, PTO tracking and manages Trainual – the online continuing education for Vestige employees.


Originally from Avon, OH, Jen is a resident of Medina. She is a graduate of the University of Toledo where she earned a Bachelor of Science degree in Biology / pre-med.  She went on to Case Western Reserve University where she majored in dentistry. Prior to joining Vestige she worked in management in the food manufacturing industry, and most recently as an online educator, teaching English to Chinese students.

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Leanne Kilo

Leanne Kilo hails from Brunswick, OH. She attended Cuyahoga Community College for medical terminology.  She previously worked at four businesses in both retail and office administration positions.

Accomplished in Office Administration

As the Office Administrator at Vestige she assists with case files from inception to close, CRM data entry, creating and maintaining standard operating procedures as well as travel arrangements, reception, office supply procurement, special events and other administrative support functions.

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