Kaster Email Formats
Contact top employees from
Kaster
- Kaster uses 6 different email formats. The most common is lastName.firstNameInitial (for example, doe.j@kaster.app), which appears in about 52% of work addresses.
- Other common patterns include:
- lastNameInitial-firstNameInitial: d-j@kaster.app (17%)
- lastNameInitialfirstName: djane@kaster.app (19%)
Kaster’s Popular Email Formats
| Format | Example | Percentage |
|---|---|---|
Format lastName.firstNameInitial |  doe.j@kaster.app | Percentage: 52% |
Format lastNameInitialfirstName | djane@kaster.app | Percentage: 19% |
Format lastNameInitial-firstNameInitial | d-j@kaster.app | Percentage: 17% |
Format firstNameInitial-lastName | j-doe@kaster.app | Percentage: 7% |
Format lastName.firstName | doe.jane@kaster.app | Percentage: 3% |
Format lastName-firstName | doe-jane@kaster.app | Percentage: 2% |
Contact top employees from
Kaster
Brian SorhaindoVice President of Sales
Emily TristanBusiness Development Manager
Habib HaiderCo-Founder & CTO
Greg KantziperCo-Founder
Joseph LeivaCo-Founder & CEO
Mirza SijawalFull Stack Developer
Muhammad HussainSr. Backend Developer
Michaela DernBusiness Development Specialist
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Kaster Corporate Information: FAQ
Kaster is an independent software development firm founded in 2017 and headquartered in Burtonsville, Maryland, serving the Washington Metropolitan Area. With a team of 10‑50 employees and annual revenues between $1 million and $10 million, Kaster delivers customized solutions that streamline subcontractor workflows and improve operational visibility.
Kaster specializes in subcontractor management, document tracking, messaging, business text messaging, compliance support—including COIs and certified payrolls—and workforce reporting. These tools help businesses maintain accurate records, meet regulatory requirements, and keep stakeholders connected through real‑time communications.
The company’s leadership team is led by Co‑Founder & CEO Joseph Leiva, with Habib Haider as Co‑Founder & CTO, Brian Sorhaindo serving as Vice President of Sales, and other key contributors such as Greg Kantziper, Mirza Sijawal, Muhammad Hussain, Emily Tristan, and Michaela Dern driving product development and client success.
Kaster specializes in subcontractor management, document tracking, messaging, business text messaging, compliance support—including COIs and certified payrolls—and workforce reporting. These tools help businesses maintain accurate records, meet regulatory requirements, and keep stakeholders connected through real‑time communications.
The company’s leadership team is led by Co‑Founder & CEO Joseph Leiva, with Habib Haider as Co‑Founder & CTO, Brian Sorhaindo serving as Vice President of Sales, and other key contributors such as Greg Kantziper, Mirza Sijawal, Muhammad Hussain, Emily Tristan, and Michaela Dern driving product development and client success.
Kaster uses 6 email formats across its organization. The most common pattern is lastName.firstNameInitial (e.g., doe.j@kaster.app), used in approximately 52% of work addresses.
Kaster currently employs over 10-50 people from United States, Pakistan, Bangladesh, with a head office in Burtonsville, Maryland.
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