Sonja Nelson

Sonja Nelson Email and Phone Number

Chief Financial Officer at Ambrx @ Ambrx
Sonja Nelson's Location
San Diego, California, United States, United States
Sonja Nelson's Contact Details
About Sonja Nelson

Experienced and driven financial and corporate leader with demonstrated history of working in public companies in the biotechnology and technology industry who is result-driven and execution-focused. Can-do attitude with a passion for building teams, while coaching, developing, and empowering team members and cross-functional focus. Managed teams across the broader finance and operations organizations, including customer facing teams.CPA certification (California).Experience and expertise:*Finance/Accounting/Corporate operations*Corporate governance, board of director, committee management and administration*SEC filings and reporting*Capital structure management and financing (reverse merger, follow-on offerings, IPO, credit facilities, acquisitions)*Treasury & investment portfolio strategy and management including cash flow and working capital optimization*Strategic and corporate financial planning (budgets, forecasts, short, mid & long-range planning)*Financial reporting (SEC, board of directors, internal management)*SOX compliance strategy, implementation and management*Public accounting / internal & external audits*Risk management (insurance, enterprise risk management, business continuity planning)*System implementations and automations, scaling of business processes and efficiencies*Corporate taxes (income/franchise, sales & use, and property taxes)*Corporate restructuring and office relocations*Facility lease management & negotiations

Sonja Nelson's Current Company Details
Ambrx

Ambrx

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Chief Financial Officer at Ambrx
Sonja Nelson Work Experience Details
  • Ambrx
    Chief Financial Officer
    Ambrx Jun 2021 - Present
    San Diego, Ca, Us
    NYSE: AMAM
  • Nantkwest
    Chief Financial Officer
    Nantkwest Jun 2018 - Jun 2021
    Culver City, Ca, Us
    NASDAQ: NKReverse merger with Immunity Bio, Inc.Signed December 21, 2020- Closed March 9, 2021 (reached $15B in market cap on the first day of trading), NK Market cap prior to close of merger: $3.5B$91M shelf take-down offering: June 29, 2020- Financial accounting & reporting (US GAAP, stock-based compensation, leases / ASC 842 adoption, marketable securities, related party transactions, in and out licensing arrangement, clinical trials, technical accounting, etc.).- SEC filings & reporting. Established SEC reporting process and streamlined process. - Capital raises/follow-on offerings, completed follow-on offering for $91M in proceeds, reverse merger with combined company market cap of $15B on first day of trading.- Capital structure management, equity administration and stock based compensation oversight. - SOX compliance & management; implemented and rolled-out of SOX compliant program. Heavy involvement in IT general controls, design, monitoring, and control enhancements.- Corporate risk management (insurance program and enterprise risk management program). Established enterprise risk management program.- Corporate governance oversight and coordination with board of directors, audit committee, related party transaction committee, and disclosure committee.- Accounting & financial systems, including system conversions, functionality enhancements, and system implementations (i.e. ERP system, equity system, and investment tracking system roll-out).- Corporate taxes and compliance (income, sales & use, and property taxes, tax provision). - Financial planning & analysis, annual budgets and quarterly forecasts as well as long term range planning. - Cash and investment portfolio management (portfolio of ~$230M). Manage banking/investment advisor relationship. - Investor relations and press release support & coordination.- Finance/Accounting team of 16, established and built high performance team, mentoring of team members.
  • Nantkwest
    Vp/Chief Accounting Officer
    Nantkwest Nov 2015 - May 2018
    Culver City, Ca, Us
  • Altheadx
    Vp/Corporate Controller
    Altheadx Jul 2014 - Oct 2015
    San Diego, Ca, Us
    - S-1 registration statement, financial statement reviews and annual audit.- Financial accounting (US GAAP, management of accounting operations incl. revenue recognition (incl. multiple element arrangements), stock-based compensation (incl. modification accounting), inventory and cost accounting, leases, debt accounting, tangible and intangible assets, accounts receivables, accounts payable, income taxes, clinical trials, deferred offering costs); 8 day month-end close incl. financial review meetings and executive management reporting & presentations.- Financial reporting (technical accounting memorandums, accounting policies, technical accounting matter research, preparation of company’s financial statement). - Internal control environment (framework evaluation and enhancements, risk and control assessment). - Financial planning and analysis (budgeting & forecasting, variance analysis, ad-hoc projects, executive team reporting development and roll-out).- Molecular diagnostics billing (management of billing organization incl. streamlining of cross-functional processes, systems automation).- Corporate risk management (management of corporate insurance program, corporate governance (i.e. delegation of authority, contract review process).- Corporate taxes - Management of company’s payroll function (for up to 100 employees), 401k plan administration.- Process enhancements and improvements related to monthly and quarterly financial statement close, internal reporting.- Accounting system administration incl. system upgrade. System evaluations (i.e. equity administration tool / payroll system evaluations).- Budgetary responsibility for 2 departments.- Supervisory responsibility of 15 employees.
  • Cadence Pharmaceuticals
    Corporate Controller
    Cadence Pharmaceuticals May 2012 - Jun 2014
    NASDAQ: CADX, was acquired by Mallinckrodt Pharmaceuticals for $1.4B in February 2014.- Financial accounting & reporting (US GAAP, management of accounting operations including revenue recognition, inventory and cost accounting, investments, tangible and intangible assets, accounts receivables, accounts payable, clinical trials); including financial review meetings and internal upper management reporting. - Participation and presentations to disclosure and audit committee.- SOX management and compliance, 404(b). Management of company’s SOX environment including overall risk assessment, fraud risk assessment. - Technical accounting memorandums including income tax impacts and accounting policies, technical accounting matter research, review of SEC filings.- Coordination of financial statement reviews and annual audit. Main liaison with auditors during audit process including SOX compliance and testing.- Treasury functions (day-to-day functions / investment monitoring, compliance, and reporting to audit committee). - Accounting system administration and system upgrades.- Corporate taxes (income/franchise, sales & use, and property taxes). Multi-state tax experience with close to 50 states. - Management of company’s payroll functions (for up to 220 employees). Experience with multi-state employee withholding matters. Coordination and management of annual 401k plan audit with internal and external parties including DOL filing. - Risk management (corporate insurance program / business continuity planning). - Process enhancements and improvements related to monthly and quarterly financial statement close (i.e. internal reporting, collections, inventory returns analysis, reconciliation process, SOX documentation).- Budgetary responsibility for 2 departments, annual budgets of approximately 6M.- Supervisory responsibility of 5 employees.
  • Cricket Communications
    Director General Accounting
    Cricket Communications Sep 2008 - May 2012
    Atlanta, Georgia, Us
    NASDAQ: LEAP, was acquired by AT&T in March 2014)- Financial accounting & reporting (US GAAP, day-to-day and month-end close accounting operations related to Company’s operating expenses (network operations, customer care & billing, sales & marketing, general & administrative (incl. payroll & benefits) with annual expense volume of ~$1.4B; heavy focus on lease accounting (close to 10,000 operating leases; asset retirement obligations, etc., annual expense volume of ~$250M, Operating expense vs. capital expenditure assessments, Accounting system management related to General Ledger functions and Management of Company’s month-end close timelines) - SOX compliance and management for company’s accounting, tax and treasury group and management & administration of company’s SOX control database (overall risk assessment, fraud risk considerations, 302 certifications, close interaction with Internal Audit and IT, SOX steering meeting committee member)- Technical accounting memorandums and policies, cash flow preparation for SEC filings, technical accounting matter research- External audits (financial statement audits and quarterly reviews)- Upper management reporting, monthly variance analysis, system report management for internal and external reporting- Management of the company’s purchasing group with focus on vendor management and automation (Oracle iSupplier, Marketplace tools, etc.); transition of purchasing functions to the company‘s procurement organization.- Supervisory responsibility of up to 14 employees and 7 contractors.- Project management- Diversity & inclusion council member
  • Ista North America, Inc.
    Vice President Finance / Corporate Secretary
    Ista North America, Inc. May 2004 - Jun 2008
    - Financial accounting & reporting; management of accounting operations including revenue recognition (percentage of completion, multiple-element arrangements), internally developed software, business combinations and goodwill impairment tests, international transactions, accounting for inventory; US GAAP and IFRS.- Budgeting and forecasting (short, mid & long-term planning), monthly reporting (i.e. commentary, variance analysis) to parent company.- All aspects of financial statement audits and SSAE 16 / SOC 1 audits. - Tax return preparations, filings and compliance, multi-state tax experience with up to 40 states; experience with sales tax audits and income tax audits (federal & state audits). - Mergers & acquisitions including due diligence of potential targets.- Board & senior management presentations; development of departmental plans, short & long-term goals and strategy.- Budgetary responsibility for 3 departments (Finance & Accounting incl. Tax and two Client Treasury & Accounting departments, annual budgets of approximately 4M).- Treasury and risk management functions: managed and coordinated banking relationships, corporate insurance program, compliance with tax regulations, US GAAP, IFRS, monitored cash flows and implemented secure treasury management features, handled monthly cash volume of up to $40M.- Accounting system administration which included system upgrades, system enhancements, and incident management system.- Purchasing functions (established & monitored company-wide policies & procedures such as travel & expense policy, corporate credit card program, fleet vehicle program, etc.).- Supervisory responsibilities of approximately 50 employees.
  • Ista North America, Inc.
    Finance Manager
    Ista North America, Inc. Aug 2002 - Apr 2004
    - Financial accounting & reporting (US GAAP & IFRS).- Corporate taxation (Income, sales & use, property taxes, tax audits, etc.).- External audits (financial statement audit and tax audits).- Treasury management functions.- Supervision of accounting staff.
  • Kpmg Llp
    Public Accounting In Germany & Us
    Kpmg Llp Sep 1998 - Jul 2002
    New York, Ny, Us
    - Financial Statement audits of retailers, manufacturers, financials services and non-for-profit organizations; various industries.- Areas of focus during audit of retail companies: inventory with volume of US$120m (retail industry).- Internal audits in financial services industry.- Supervision of audit staff.

Sonja Nelson Skills

Financial Reporting Sarbanes Oxley Act Us Gaap Auditing Accounting Variance Analysis Sec Filings Internal Controls Finance Forecasting Internal Audit Revenue Recognition Financial Analysis Budgets General Ledger Cost Accounting Income Tax Hyperion Enterprise Financial Accounting Financial Audits Risk Management Treasury Management Analysis Mergers And Acquisitions Sarbanes Oxley Cross Functional Team Leadership Tax Financial Statements Gaap Cash Flow Cpa Strategic Financial Planning Payroll Corporate Tax Financial Modeling Ifrs Fixed Assets Invoicing Account Reconciliation External Audit Treasury Cash Management Financial Planning

Sonja Nelson Education Details

  • Pforzheim University
    Pforzheim University
    Business Administration: Taxation & Auditing

Frequently Asked Questions about Sonja Nelson

What company does Sonja Nelson work for?

Sonja Nelson works for Ambrx

What is Sonja Nelson's role at the current company?

Sonja Nelson's current role is Chief Financial Officer at Ambrx.

What is Sonja Nelson's email address?

Sonja Nelson's email address is so****@****ive.com

What schools did Sonja Nelson attend?

Sonja Nelson attended Pforzheim University.

What skills is Sonja Nelson known for?

Sonja Nelson has skills like Financial Reporting, Sarbanes Oxley Act, Us Gaap, Auditing, Accounting, Variance Analysis, Sec Filings, Internal Controls, Finance, Forecasting, Internal Audit, Revenue Recognition.

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