Certisign Executive and Leadership Team

August, 2026

Leadership Overview

Certisign has 6 executives leading key functions including strategy, financial oversight, technology development, revenue growth, investor relations, and corporate leadership.

Focused on advancing secure digital identity, Certisign delivers robust electronic signature and biometric solutions to streamline complex transactions across the global healthcare, finance, and education sectors.

Leadership Roles at Certisign

  • Chief Executive Officer - Marco Americo
  • Chief Financial Officer - Susana Taboas
  • Managing Director, Chief Financial Officer (Finance Director) and IR (Investor Relation) - John Christer Salen
  • President - Katrina Kelly
  • Chief Technology Officer - Julio Duram
  • Chief Revenue Officer - Diego Martins
  • Marco Americo - Chief Executive Officer

    Marco Americo, the Chief Executive Officer at Certisign, directs the overarching corporate strategy and long-term vision for digital identity security. By aligning organizational goals with the evolving needs of the Brazilian market, Americo ensures the company maintains a competitive edge in electronic signature and TLS/SSL certificate deployment. This leadership role involves constant collaboration with the Board to drive sustainable growth and operational excellence across all business units. Marco Americo monitors market trends to identify new opportunities for biometric identification expansion, ensuring the firm remains a trusted partner for both individual and enterprise clients. Through rigorous oversight of internal processes, the Chief Executive Officer optimizes resource allocation to reduce costs associated with traditional document handling. Ultimately, Americo fosters a culture of innovation that strengthens trust in online interactions while scaling the company's footprint within the broader technology consulting landscape.

    Susana Taboas - Chief Financial Officer

    Susana Taboas, the Chief Financial Officer at Certisign, manages the fiscal health and capital allocation strategies necessary for supporting digital certificate infrastructure. Overseeing financial planning and analysis, the Chief Financial Officer ensures that investments in biometric identification technology yield measurable returns for the organization. Susana Taboas maintains strict control over budgetary frameworks, enabling the company to scale operations efficiently while mitigating risks inherent in the digital security sector. This role requires close coordination with other C-suite leaders to align financial objectives with the broader mission of enhancing trust in online transactions. By implementing robust financial reporting systems, Taboas provides the transparency required for sustainable growth. Through careful management of assets and liabilities, the Chief Financial Officer secures the financial stability needed to pursue long-term market expansion and technological advancement within the competitive landscape of electronic signature services.

    John Christer Salen - Managing Director, Chief Financial Officer (Finance Director) and IR (Investor Relation)

    John Christer Salen, the Managing Director, Chief Financial Officer (Finance Director) and IR (Investor Relation) at Certisign, oversees investor communications and high-level financial governance. By managing the relationship with shareholders and the investment community, the Managing Director, Chief Financial Officer (Finance Director) and IR (Investor Relation) ensures clear articulation of the company's value proposition in the digital security market. John Christer Salen directs the financial reporting processes to maintain compliance and transparency, which are critical for sustaining investor confidence. This leadership role involves balancing the needs of external stakeholders with the internal requirements for capital investment in new biometric and TLS/SSL technologies. Through strategic financial oversight, Salen supports the firm's mission to enhance trust in online interactions. By providing accurate financial insights and long-term projections, the Managing Director, Chief Financial Officer (Finance Director) and IR (Investor Relation) enables the organization to pursue aggressive growth targets while maintaining fiscal discipline.

    Katrina Kelly - President

    Katrina Kelly, the President at Certisign, executes the daily operational strategy and ensures cross-departmental alignment with the company's core mission. By supervising the integration of digital certificate services into client workflows, the President facilitates the seamless adoption of biometric identification and electronic signature tools. Katrina Kelly drives the operational efficiency of the firm, ensuring that internal processes support the rapid delivery of secure digital solutions to the healthcare and finance industries. This leadership role involves coordinating between technology, sales, and finance teams to remove bottlenecks and accelerate project timelines. Through the implementation of best practices in service delivery, Kelly enhances the overall customer experience and strengthens the company's market position. By fostering a collaborative environment, the President ensures that all business units work in harmony to achieve the overarching goal of simplifying digital transactions and reducing costs for clients across the region.

    Julio Duram - Chief Technology Officer

    Julio Duram, the Chief Technology Officer at Certisign, architects the technical roadmap for digital certificates and advanced biometric identification systems. By leading the engineering teams, the Chief Technology Officer ensures the delivery of secure, high-performance TLS/SSL solutions that meet the rigorous demands of the finance and healthcare sectors. Julio Duram drives the development of innovative software architectures designed to simplify complex digital workflows and replace traditional document handling methods. This leadership position involves constant evaluation of emerging cybersecurity threats to maintain the integrity of the company's digital identity platform. Through strategic collaboration with product development units, Duram optimizes system reliability and user experience across all digital touchpoints. Ultimately, the Chief Technology Officer maintains the technical superiority of the firm's offerings, ensuring that every transaction processed through the platform remains secure, efficient, and compliant with international standards.

    Diego Martins - Chief Revenue Officer

    Diego Martins, the Chief Revenue Officer at Certisign, drives the commercial strategy and market penetration for electronic signature and identification solutions. Overseeing sales operations and customer acquisition, the Chief Revenue Officer identifies high-growth opportunities within the education and corporate sectors to expand the company's reach. Diego Martins manages the alignment between marketing initiatives and sales targets, ensuring that the value proposition of secure digital transactions resonates with diverse client bases. This role involves building strong relationships with key stakeholders to foster long-term partnerships and recurring revenue streams. By analyzing market data and customer feedback, Martins refines the sales funnel to improve conversion rates and operational efficiency. Through the execution of targeted growth strategies, the Chief Revenue Officer directly impacts the company's bottom line, ensuring that the firm remains the preferred provider for businesses seeking to modernize document handling through advanced digital identity tools.

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    Frequently Asked Questions Regarding Certisign Top Executives and Leadership Team

    Who leads Certisign?
    Certisign is led by Marco Americo (Chief Executive Officer), along with executives such as Susana Taboas (Chief Financial Officer) and John Christer Salen (Managing Director, Chief Financial Officer (Finance Director) and IR (Investor Relation)).
    Who is part of Certisign’s executive team?
    The executive team of Certisign includes leaders such as Marco Americo (Chief Executive Officer), Susana Taboas (Chief Financial Officer), John Christer Salen (Managing Director, Chief Financial Officer (Finance Director) and IR (Investor Relation)) and other senior executives.
    How many executives does Certisign have?
    Certisign has 6 executives leading key business areas.
    What roles are included in Certisign’s leadership team?
    The leadership team of Certisign includes roles such as Chief Executive Officer, Chief Financial Officer, Managing Director, Chief Financial Officer (Finance Director) and IR (Investor Relation), President, Chief Technology Officer.