Who We Are

Committed to Excellence

At Mariana Everest Capital Consultants, we understand that business is not always easy. Since 2000, we have been helping businesses respond to ownership and industry transitions in order to stay competitive. We work with you closely to understand your pain points through generous listening. We are experienced business owners helping other business owners solve their internal operations problems through experience, knowledge sharing, and by taking risks. Thirty years of experience have taught us how to make your business success our priority.

Our Approach

We spend a lot of time getting to know you and your needs. We want to do this so that we can guarantee our output of work is worth the price you pay. This is also why we want to work with you for the long haul. Your growth is our success metric, and we believe that the only difference between us and other firms is the spiritual value and experience we bring which produces the most effective results for your business and our relationship. The rest is technical knowledge, experience, and capability, In summary,

[our knowledge and intellectual capital]

x [our effectiveness]
x [our value pricing]
= your profit.

About Us


Engagement Manager, President

Artie Hasegawa focuses his practice on tax representation, business tax compliance (sales, use, income), and providing business advisory and outsourcing services.  During the past 30 years, Artie has worked in healthcare, investment banking, securities brokerage, software, and in the telecom industry in various operational and administrative functions including Information Technologies, Tax, Finance, Accounting, Sales, Marketing, Human Resources, Space Planning, and Corporate Services.  Artie devotes his time investing in his clients by utilizing his knowledge attained from his mentors who were students of Peter Drucker,  Jim Collins,  and other business icons to help other nonprofits and businesses find their own value to by acting in various capacities.   

Outside of work, Artie enjoys keeping in touch with his fellow musicians back in the days of his aspiring rock stardom (it almost happened!), helping people in the entertainment industry as well as people in need, and devotes his private time with his wife, kids, and Catholic prayer.

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B&H Communications Specialist

Zena Zielinska is a business development specialist for Mariana Everest and has over 25 years of operations and sales experience running her employment placement agency.  Zena is responsible for the contribution of several million dollars to the US and Poland’s economy by placing and employing over 5,000 Polish elderly companions and homemakers across the United States through her company ICONNEL.  As a spokesman for the Polish Nation, Zena is actively involved in defending Poland’s history and culture in New York City.  Zena has a graduate in sociology at the Catholic University of Lublin with a master’s degree in specialty – sociology of education.