Nextdoor Appoints Tony Castellanos as Executive Vice President, People
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Mar 19 2026
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Nextdoor Holdings announced the promotion of Tony Castellanos to Executive Vice President, People. Castellanos will lead Nextdoor's People organization - including talent acquisition, compensation, HR business partnering, and benefits - as the company deepens its investment in AI-enabled People operations and continues to scale its workforce strategy. Castellanos has risen through the ranks at Nextdoor for the past six years, most recently serving as Head of Compensation and Talent, where he built and led the teams responsible for attracting, developing, and retaining world-class talent.
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About NXDR
Nextdoor Holdings, Inc. is the essential neighborhood network. The Company builds technology to foster local community, and brands and businesses of all sizes use its advertising platform to engage with neighborhoods at scale. Its Nextdoor platform is used by neighbors, businesses, and public agencies in approximately 11 different countries to foster more engaged communities. Neighbors use Nextdoor to stay informed on local news, events, and relevant discussions, discover and support local businesses, and exchange goods and services. Businesses leverage Nextdoor to connect with these engaged communities through business pages and targeted advertising, while public agencies rely on the platform to share real-time updates, critical alerts, and pertinent information. The Company offers a suite of advertising solutions designed to deliver value for businesses of all sizes. Its advertising solutions include Hyperlocal Targeting, Diverse Ad Formats, and Brand Safety and Trust.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
Nextdoor Appoints Tony Castellanos as Executive Vice President of People
- Leadership Change: Nextdoor has promoted Tony Castellanos to Executive Vice President of People, overseeing talent acquisition, compensation, and employee benefits, marking a significant investment in AI-driven HR strategies aimed at enhancing organizational efficiency and employee satisfaction.
- Strategic Transformation: Over the past six years, Castellanos has risen from Head of Compensation and Talent to a strategic advisor role, successfully transforming the traditional HR function into a key partner for senior leadership, thereby strengthening Nextdoor's competitive edge in the market.
- AI Implementation: Under Castellanos' leadership, Nextdoor has deployed AI across three core areas: recruiting, compensation, and employee support, empowering hiring managers with better decision-making capabilities and enabling the HR team to focus on strategic design through faster, more consistent employee support.
- Future Vision: Castellanos emphasizes that the people function is not just enabling the business but actively shaping its future, aiming to blend technology with human judgment to build a high-performing team that drives business growth and employee success.
See More
Nextdoor Appoints New VP of North America Sales to Accelerate Advertising Growth
- Executive Appointment: Nextdoor has appointed Anthony Di Muccio as Vice President of North America Sales, tasked with leading sales teams in the U.S. and Canada to deepen brand and agency relationships, thereby driving the next phase of advertising revenue growth.
- Platform Investment: The company is making significant investments in its advertising platform, leveraging privacy-safe first-party Verified Location Identity data to help brands reach real neighbors with greater precision and performance, which is expected to significantly enhance advertising effectiveness.
- Ad Performance Boost: Initial testing from 2024 to 2025 showed U.S. advertisers achieving an average 134% lift in click-through rates (CTR), while conversion optimization delivered a 35% improvement in average cost per acquisition (CPA), demonstrating the robust potential of Nextdoor's advertising platform.
- Self-Service Expansion: Nextdoor Ads Manager's self-serve capabilities have now expanded to Canada and the UK, and combined with AI-driven performance optimization, further solidifies Nextdoor's unique position as a local advertising platform that meets brands' needs in local markets.
See More
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- Enhanced Advertising Performance: Nextdoor's newly launched AI click optimization tool enables advertisers to achieve four times more clicks for the same budget, significantly boosting ROI, with Verisure reporting a median CTR increase of over 75% compared to CPM bidding.
- Cost Efficiency: During testing, advertisers experienced a median reduction of 75% in cost-per-click, which not only enhances the efficiency of ad spending but also provides brands with greater market engagement and customer interaction.
- Comprehensive Ad Management: Nextdoor's unified Ads Manager (NAM), launched in Q3 2025, has improved targeting precision and control, and when combined with AI optimization, has further driven enhanced advertising results.
- Community Connection Value: Nextdoor's advertising offers brands precise community targeting while connecting with over 10 million verified neighbors, enhancing local relevance and creating dual value for both brands and the community.
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Amazon Trade Dynamics and Investment Adjustments
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- Earnings Beat: Amazon reported fourth-quarter revenue of $213.39 billion, exceeding estimates, while planning to increase capital expenditures to $200 billion, indicating strong confidence in future growth.
- Joby Aviation Investment: Ark Invest acquired 200,856 shares of Joby Aviation valued at around $2 million, with Joby's fourth-quarter earnings showing an EPS of -$0.14, beating estimates by 30%, highlighting improved financial health.
- Nextdoor Holdings Divestment: Ark Invest sold 1,405,207 shares of Nextdoor Holdings for about $2.3 million, following the company's earnings report that showed a 7% year-over-year revenue increase and a narrowed net loss of $4 million.
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Nextdoor Releases 2026 Friendliest Neighborhoods Rankings
- Community Interaction Analysis: Nextdoor's 2026 Friendliest Neighborhoods rankings, based on data from over 105 million users, highlight the engagement and support among residents across the U.S., emphasizing the importance of community cohesion.
- Ranking Methodology: The Friendliness Score ranks neighborhoods using an index approach, with a top score of 100, assessing factors such as neighbor requests, item sharing, and local business recommendations, ensuring the rankings are meaningful and representative.
- National Coverage: The rankings not only list the friendliest cities and neighborhoods in each state but also reflect community interaction across the country, showcasing the prevalence of strong neighborhoods and the impact of neighborly relations on quality of life.
- User Insight: Nextdoor's Chief Communications Officer Kelsey Grady noted that when choosing where to live, residents seek more than just statistics; they want to understand the real-life dynamics of the community, making this ranking a valuable reference for potential residents.
See More
Software Industry Rebounds Amid AI Trends
- Software Stock Recovery: Following a sell-off dubbed the 'SaaS Apocalypse', software developers are regaining confidence as market expectations for AI technology drive a rebound, although many companies still face uncertainty regarding their futures.
- Importance of AI Fluency: Nextdoor CEO Nirav Tolia emphasizes that AI fluency is a critical skill for today's CEOs, who must dedicate significant time to using AI tools to fully understand their potential and drive business transformation.
- Industry Transformation Expectations: Tolia believes that AI will fundamentally change the software industry, and while it remains unclear which companies will survive, he is optimistic about Nextdoor's prospects due to its unique content and user network positioning it favorably in an AI-driven future.
- AI Implementation in CEO Community: An increasing number of CEOs are integrating AI tools into their businesses, with some linking employee AI training to bonuses, highlighting the growing importance of AI skills in the modern business landscape.
See More
Nextdoor Appoints Tony Castellanos as Executive Vice President of People
- Leadership Change: Nextdoor has promoted Tony Castellanos to Executive Vice President of People, overseeing talent acquisition, compensation, and employee benefits, marking a significant investment in AI-driven HR strategies aimed at enhancing organizational efficiency and employee satisfaction.
- Strategic Transformation: Over the past six years, Castellanos has risen from Head of Compensation and Talent to a strategic advisor role, successfully transforming the traditional HR function into a key partner for senior leadership, thereby strengthening Nextdoor's competitive edge in the market.
- AI Implementation: Under Castellanos' leadership, Nextdoor has deployed AI across three core areas: recruiting, compensation, and employee support, empowering hiring managers with better decision-making capabilities and enabling the HR team to focus on strategic design through faster, more consistent employee support.
- Future Vision: Castellanos emphasizes that the people function is not just enabling the business but actively shaping its future, aiming to blend technology with human judgment to build a high-performing team that drives business growth and employee success.
See More
Nextdoor Appoints New VP of North America Sales to Accelerate Advertising Growth
- Executive Appointment: Nextdoor has appointed Anthony Di Muccio as Vice President of North America Sales, tasked with leading sales teams in the U.S. and Canada to deepen brand and agency relationships, thereby driving the next phase of advertising revenue growth.
- Platform Investment: The company is making significant investments in its advertising platform, leveraging privacy-safe first-party Verified Location Identity data to help brands reach real neighbors with greater precision and performance, which is expected to significantly enhance advertising effectiveness.
- Ad Performance Boost: Initial testing from 2024 to 2025 showed U.S. advertisers achieving an average 134% lift in click-through rates (CTR), while conversion optimization delivered a 35% improvement in average cost per acquisition (CPA), demonstrating the robust potential of Nextdoor's advertising platform.
- Self-Service Expansion: Nextdoor Ads Manager's self-serve capabilities have now expanded to Canada and the UK, and combined with AI-driven performance optimization, further solidifies Nextdoor's unique position as a local advertising platform that meets brands' needs in local markets.
See More
Nextdoor Launches AI Click Optimization Tools to Boost Advertiser ROI
- Enhanced Advertising Performance: Nextdoor's newly launched AI click optimization tool enables advertisers to achieve four times more clicks for the same budget, significantly boosting ROI, with Verisure reporting a median CTR increase of over 75% compared to CPM bidding.
- Cost Efficiency: During testing, advertisers experienced a median reduction of 75% in cost-per-click, which not only enhances the efficiency of ad spending but also provides brands with greater market engagement and customer interaction.
- Comprehensive Ad Management: Nextdoor's unified Ads Manager (NAM), launched in Q3 2025, has improved targeting precision and control, and when combined with AI optimization, has further driven enhanced advertising results.
- Community Connection Value: Nextdoor's advertising offers brands precise community targeting while connecting with over 10 million verified neighbors, enhancing local relevance and creating dual value for both brands and the community.
See More
Amazon Trade Dynamics and Investment Adjustments
- Amazon Share Trade: Amazon traded 66,934 shares valued at approximately $14.5 million, reflecting a cautious investor sentiment amid strategic adjustments in the e-commerce sector.
- Earnings Beat: Amazon reported fourth-quarter revenue of $213.39 billion, exceeding estimates, while planning to increase capital expenditures to $200 billion, indicating strong confidence in future growth.
- Joby Aviation Investment: Ark Invest acquired 200,856 shares of Joby Aviation valued at around $2 million, with Joby's fourth-quarter earnings showing an EPS of -$0.14, beating estimates by 30%, highlighting improved financial health.
- Nextdoor Holdings Divestment: Ark Invest sold 1,405,207 shares of Nextdoor Holdings for about $2.3 million, following the company's earnings report that showed a 7% year-over-year revenue increase and a narrowed net loss of $4 million.
See More
Nextdoor Releases 2026 Friendliest Neighborhoods Rankings
- Community Interaction Analysis: Nextdoor's 2026 Friendliest Neighborhoods rankings, based on data from over 105 million users, highlight the engagement and support among residents across the U.S., emphasizing the importance of community cohesion.
- Ranking Methodology: The Friendliness Score ranks neighborhoods using an index approach, with a top score of 100, assessing factors such as neighbor requests, item sharing, and local business recommendations, ensuring the rankings are meaningful and representative.
- National Coverage: The rankings not only list the friendliest cities and neighborhoods in each state but also reflect community interaction across the country, showcasing the prevalence of strong neighborhoods and the impact of neighborly relations on quality of life.
- User Insight: Nextdoor's Chief Communications Officer Kelsey Grady noted that when choosing where to live, residents seek more than just statistics; they want to understand the real-life dynamics of the community, making this ranking a valuable reference for potential residents.
See More
Software Industry Rebounds Amid AI Trends
- Software Stock Recovery: Following a sell-off dubbed the 'SaaS Apocalypse', software developers are regaining confidence as market expectations for AI technology drive a rebound, although many companies still face uncertainty regarding their futures.
- Importance of AI Fluency: Nextdoor CEO Nirav Tolia emphasizes that AI fluency is a critical skill for today's CEOs, who must dedicate significant time to using AI tools to fully understand their potential and drive business transformation.
- Industry Transformation Expectations: Tolia believes that AI will fundamentally change the software industry, and while it remains unclear which companies will survive, he is optimistic about Nextdoor's prospects due to its unique content and user network positioning it favorably in an AI-driven future.
- AI Implementation in CEO Community: An increasing number of CEOs are integrating AI tools into their businesses, with some linking employee AI training to bonuses, highlighting the growing importance of AI skills in the modern business landscape.
See More
