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Mario Castellon, Cpa, Cgma, Mst Email & Phone Number
Interim Chief Financial Officer
at
Satellite Deskworks & Workplaces
1 work email found
@mcastellon.com
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✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Interim Chief Financial Officer
Location
San Francisco, California, United States
Who is Mario Castellon, Cpa, Cgma, Mst? Overview
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Quick answer
Mario Castellon, Cpa, Cgma, Mst is listed as Interim Chief Financial Officer at Satellite Deskworks & Workplaces, based in San Francisco, California, United States. AeroLeads shows a work email signal at mcastellon.com and a matched LinkedIn profile for Mario Castellon, Cpa, Cgma, Mst.
Mario Castellon, Cpa, Cgma, Mst previously worked as Interim Chief Financial Officer at Imprimed, Inc. and Financial and Tax Adviser at Castellon Professional Services. Mario Castellon, Cpa, Cgma, Mst holds Masters Of Science, Taxation from Golden Gate University.
Company email context
Email format at Satellite Deskworks & Workplaces
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{first}@mcastellon.com
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AeroLeads found 1 current-domain work email signal for Mario Castellon, Cpa, Cgma, Mst. Compare company email patterns before reaching out.
Profile bio
About Mario Castellon, Cpa, Cgma, Mst
Certified public accountant (CPA) licensed in California, USA, Chartered Global Management Accountant (CGMA) and Master's of Science of Taxation 2018 (MST) with experience in identification and commercialization of biotechnology from concept to product launch. Sole practitioner for Castellon Professional Services serving client consisting of individuals, closely held entities and multinational publicly traded corporations; former director of tax and treasury for Raptor Pharmaceutical Corp. a biomedical drug development and manufacturing company; former tax director for Celera Corporation a publicly traded medical device manufacturer and blood testing services provider and alumni of Deloitte Tax.Expertise in building internal tax departments, ASC 740 tax provision analysis and modeling, FIN 48 analysis and risk management, international IP migration structures, FX hedging structures, cash management, banking relationship management, building and maintenance of international banking structures, audit management, management of worldwide ETR, contract negotiations, corporate fund raising - private and institutional, and private placement memorandum writing.Specialties: Director level experience in business plan development and writing, marketing strategy development, product development from concept to alpha prototype, fund raising, taxation, accounting, cash management, risk management, international corporate structuring, effective tax rate management and contract negotiation.
Listed skills include Tax, Accounting, Cash Management, Financial Planning, and 35 others.
Current workplace
Mario Castellon, Cpa, Cgma, Mst's current company
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15 roles
Mario Castellon, Cpa, Cgma, Mst work experience
A career timeline built from the work history available for this profile.
Interim Chief Financial Officer
CurrentProvide financial reporting and analysis to CEO and board, domestic corporate structuring, tax consulting/compliance, research projects and other operational assistance as requested.
Jan 2018 - Present
Interim Chief Financial Officer
CurrentProvide financial reporting and analysis to CEO and board, domestic and international corporate structuring, tax consulting/compliance, research projects and other operational assistance as requested.
Jan 2020 - Present
Financial And Tax Adviser
CurrentProviding advisory services (financial and tax related) to individuals, partnerships, closely-held corporations and multinational publicly traded corporations. Services include tax compliance, tax provisioning (ASC 740), tax credits, site selection, financial planning, retirement planning, tax audit representation.
Jan 2000 - Present
Parttime Student
Attending 1 online class at Golden Gate University to complete MST program on August 2018.
Apr 2017 - Apr 2018
Director Of Tax And Treasury
Raptor Pharmaceutical
Development, implementation and management of Raptor's domestic and international tax, treasury, and risk management departments with direct report to Chief Financial Officer.
Jun 2012 - Mar 2017
Director Of Tax
Transition tax services and data from former parent company, Applera Corporation, develop tax department infrastucture, develop internal tax team, tax compliance and tax planning.
Jul 2008 - Jan 2012
Executive Co-Chair Of Finance Committee
Maybac
Executive member of the Mayor of San Francisco, California Biotech Action Committee (MayBAC). The purpose of MayBAC is to provide the Mayor of San Francisco wtih an effective plan to retain and attract Life Science companies to the City of San Francisco. Currently, Co-Chair of the MayBAC Finance Committee.
Jun 2007 - Jan 2012
Co-Founder And Chair Of Board
E-Soc, Inc.
Guide company in areas of business plan development, funding raising strategy, investor relations, valuation, taxation, contract negotiation, patent filing and licensing strategy, marketing strategy, identification and negotiation with coporate partners.
Oct 2004 - Jan 2011
Board Member, Director Of Finance
Mandalmed, Inc.
Review, consultation and recommendation regarding business plan development and presentation, investor relations, product identification and commercialization, contract negotiation, NHI grant compliance, employee relations, taxation, accounting, and cash flow management.
Aug 2004 - Dec 2010
Board Member And Treasurer
California Marina Homeowners Association
Adminstration and management of 44 unit townhouse complex including contract negotiation, treasury functions (cash management, AR and AP), homeowner dispute resolution, risk management and service provider management.
Jan 2006 - Jan 2009
Senior Corporate Manager
Analysis, research, development and implementation of building a tax department for a multinational semiconductor manufacturer. Administration and implementation of corporate wide tax planning and strategy for all aspects of taxation and SEC reporting, i.e., domestic and international corporate income tax, FAS 109 and FIN 18 provision analysis and.
Aug 2007 - Jul 2008
Director Of Tax And Treasury
Development, implementation and administration of tax and treasury department for a multinational internet remote communications service provider including development of native FAS 109 and FIN 18 tax provision model, corporate investment policy and SOX controls. Direct report to CFO and CEO with 1 direct report.
Feb 2006 - Aug 2007
Treasury Manager
Treasury department manager with direct report to CFO including cash management, risk management, credit management, debt management, and taxation.
Mar 2004 - Apr 2006
National Tax Manager
National level tax and audit manager servicing the Life Science and Hi-Tech industries. Provided general tax services to public and privately held corporations as well as partnerships. In addition, worked directly with partners in the development of the Life Science industry practice.
Jan 1995 - Mar 2004
2 education records
Mario Castellon, Cpa, Cgma, Mst education
Masters Of Science, Taxation
Golden Gate University
Bs, Business Administration With Option In Accounting
California State University, Fresno
FAQ
Frequently asked questions about Mario Castellon, Cpa, Cgma, Mst
Quick answers generated from the profile data available on this page.
What company does Mario Castellon, Cpa, Cgma, Mst work for?
Mario Castellon, Cpa, Cgma, Mst works for Satellite Deskworks & Workplaces.
What is Mario Castellon, Cpa, Cgma, Mst's role at Satellite Deskworks & Workplaces?
Mario Castellon, Cpa, Cgma, Mst is listed as Interim Chief Financial Officer at Satellite Deskworks & Workplaces.
What is Mario Castellon, Cpa, Cgma, Mst's email address?
AeroLeads has found 1 work email signal at @mcastellon.com for Mario Castellon, Cpa, Cgma, Mst at Satellite Deskworks & Workplaces.
Where is Mario Castellon, Cpa, Cgma, Mst based?
Mario Castellon, Cpa, Cgma, Mst is based in San Francisco, California, United States while working with Satellite Deskworks & Workplaces.
What companies has Mario Castellon, Cpa, Cgma, Mst worked for?
Mario Castellon, Cpa, Cgma, Mst has worked for Satellite Deskworks & Workplaces, Imprimed, Inc., Castellon Professional Services, Golden Gate University, and Raptor Pharmaceutical.
How can I contact Mario Castellon, Cpa, Cgma, Mst?
You can use AeroLeads to view verified contact signals for Mario Castellon, Cpa, Cgma, Mst at Satellite Deskworks & Workplaces, including work email, phone, and LinkedIn data when available.
What schools did Mario Castellon, Cpa, Cgma, Mst attend?
Mario Castellon, Cpa, Cgma, Mst holds Masters Of Science, Taxation from Golden Gate University.
What skills is Mario Castellon, Cpa, Cgma, Mst known for?
Mario Castellon, Cpa, Cgma, Mst is listed with skills including Tax, Accounting, Cash Management, Financial Planning, Tax Compliance, Sec Reporting, Corporate Tax, and Sec Filings.
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