AeroLeads people directory · profile
Mark A. Gross Email & Phone Number
Owner
at
linestanding.com
1 work email found
@linestanding.com
15 phones found area 301, 240, 202, and 703
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Owner
Location
Bethesda, Maryland, United States
Company size
Who is Mark A. Gross? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Mark A. Gross is listed as Owner at linestanding.com, a company with 2 employees, based in Bethesda, Maryland, United States. AeroLeads shows a work email signal at linestanding.com, phone signal with area code 301, 240, 202, 703, and a matched LinkedIn profile for Mark A. Gross.
Mark A. Gross previously worked as Marketing Associate at Quantum and Principal at Baltrentals, Llc. Mark A. Gross holds Ba, Chemistry from Oberlin College.
Company email context
Email format at linestanding.com
This section adds company-level context without repeating Mark A. Gross's masked contact details.
*@linestanding.com
71% confidence
AeroLeads found 1 current-domain work email signal for Mark A. Gross. Compare company email patterns before reaching out.
Profile bio
About Mark A. Gross
Serial entrepreneur with emphasis on analytical thinking, financial controls, and operational efficiencies.Took over and built Quick Messenger Service from a small ten person start-up to a top ten courier company in the Washington market. Purchased the company from the founder in 1997.Founded QMS of MD in 1996, achieving profitability in less than 12 months.Partner in BuyDomains, LLC, the largest and most successful secondary marketplace for Premium Generic Domain Names, which was subsequently sold to Highland Capital.Partner in BaltRentals, LLC, a residential real estate partnership with over one hundred small multi-family and single family properties in Baltimore, MD, Salt Lake City and Park City, UT.Also involved in www.X30.com and www.Phone.com Always looking for the next great trend.Specialties: Same day delivery technologist, legislative liaison, balance sheet analysis.
Listed skills include Management, Executive Management, Business Development, Mergers And Acquisitions, and 36 others.
Current workplace
Mark A. Gross's current company
Company context helps verify the profile and gives searchers a useful next step.
Linestanding.Com
8 roles · 27 years
Mark A. Gross work experience
A career timeline built from the work history available for this profile.
Marketing Associate
Quantum
Principal
Baltrentals, Llc
Buy, sell, renovate, and manage small apartment buildings and single family homes in Maryland and Utah.
Owner
Linestanding.com is the original seatholding company in Washington that gets folks into hearings, mark-ups, and oral arguments on Capitol Hill.
Owner
Quick Messenger Service
I've been in the same day delivery business since 1980, first as a bicycle courier for a dozen different firms, then beginning in 1986, as General Manager of Quick Messenger Service, and after ten years, as sole owner of the company. In 1996, I opened Quick Messenger Service of MD, in the Federal Hill section of Baltimore. In 1999, we moved to Mount.
Investor
Internet Real Estate Group
Premium Domain Sales and Appraisals
2006 - 2009
~3 yrs
1999 - 2007
~8 yrs
Director
My job was to appraise premium domain names and negotiate sales, respond to claims against domains, and troubleshoot problems for customers.
2001 - 2004
~3 yrs
2 education records
Mark A. Gross education
Ba, Chemistry
Oberlin College
Diploma
Walter Johnson
FAQ
Frequently asked questions about Mark A. Gross
Quick answers generated from the profile data available on this page.
What company does Mark A. Gross work for?
Mark A. Gross works for linestanding.com.
What is Mark A. Gross's role at linestanding.com?
Mark A. Gross is listed as Owner at linestanding.com.
What is Mark A. Gross's email address?
AeroLeads has found 1 work email signal at @linestanding.com for Mark A. Gross at linestanding.com.
What is Mark A. Gross's phone number?
AeroLeads has found 15 phone signal(s) with area code 301, 240, 202, 703 for Mark A. Gross at linestanding.com.
Where is Mark A. Gross based?
Mark A. Gross is based in Bethesda, Maryland, United States while working with linestanding.com.
What companies has Mark A. Gross worked for?
Mark A. Gross has worked for Linestanding.Com, Quantum, Baltrentals, Llc, Quick Messenger Service, and Internet Real Estate Group.
How can I contact Mark A. Gross?
You can use AeroLeads to view verified contact signals for Mark A. Gross at linestanding.com, including work email, phone, and LinkedIn data when available.
What schools did Mark A. Gross attend?
Mark A. Gross holds Ba, Chemistry from Oberlin College.
What skills is Mark A. Gross known for?
Mark A. Gross is listed with skills including Management, Executive Management, Business Development, Mergers And Acquisitions, Strategic Partnerships, Sales, Negotiation, and Contract Negotiation.
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